108912992100 has 72 divisors (see below), whose sum is σ = 343769018208. Its totient is φ = 26403148800.

The previous prime is 108912992077. The next prime is 108912992101. The reversal of 108912992100 is 1299219801.

It is not an unprimeable number, because it can be changed into a prime (108912992101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16498669 + ... + 16505268.

Almost surely, 2^108912992100 is an apocalyptic number.

108912992100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108912992100 is an abundant number, since it is smaller than the sum of its proper divisors (234856026108).

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

108912992100 is a wasteful number, since it uses less digits than its factorization.

108912992100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33003965 (or 33003958 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 108912992100 in words is "one hundred eight billion, nine hundred twelve million, nine hundred ninety-two thousand, one hundred".