20112212320100 has 36 divisors (see below), whose sum is σ = 43644911755200. Its totient is φ = 8044624832160.

The previous prime is 20112212320063. The next prime is 20112212320121. The reversal of 20112212320100 is 102321221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127760 + ... + 6343559.

Almost surely, 2^{20112212320100} is an apocalyptic number.

20112212320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112212320100 is an abundant number, since it is smaller than the sum of its proper divisors (23532699435100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112212320100 is a wasteful number, since it uses less digits than its factorization.

20112212320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502412 (or 6502405 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20112212320100 its reverse (102321221102), we get a palindrome (20214533541202).

The spelling of 20112212320100 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, three hundred twenty thousand, one hundred".