(n) :
(US; modern British & Australian, short scale) A trillionbillion: 1 followed by 21 zeros, 1021; (dated British & Australian, long scale) A millionquintillion: 1 followed by 36 zeros, 1036
(n) :
(US; modern British & Australian, short scale) A trillionbillion: 1 followed by 21 zeros, 1021; (dated British & Australian, long scale) A millionquintillion: 1 followed by 36 zeros, 1036