Just saw this about the 2011 prize money on the Korean Volleyball Association website with translation thanks to Google Translate.
http://www.kva.or.kr/korean/viewtopic.php?t=80684
First Round Matches (96 in total)
Winning team receives US$800 per player (total of 12) for US$9,600 per match
Losing team receives US$400 per players (total of 12) for US$4,800 per match
Total for the 96 matches alone is US$1,382,400
First Round Group Standings
1st place US$1,000,000
2nd place US$950,000
3rd place US$900,000
4th place US$850,000
US$3,700,000 x 4 groups = US$14,800,000
Grand total of US$16,182,400 for First Round Matches and First Round Group Finish
Final Round Standings
1st place US$1,000,000
2nd place US$500,000
3rd place US$300,000
4th place US$150,000
5th place US$75,000
6th place US$75,000
7th place US$50,000
8th place US$50,000
Total of US$2,200,000
Individual Awards (Final 4 Teams)
MVP US$30,000
Top Scorer US$20,000
Best Spiker US$10,000
Best Blocker US$10,000
Best Server US$10,000
Best Setter US$10,000
Best Libero US$10,000
Total of US$100,000
Final Round and Individual Awards Total of US$2,300,000
Combined Total of Prize Money is US$18,482,400