- (number) (ordinal vigintillionth) The number 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.
- The number 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000.
- One thousand novemdecillion is a vigintillion.