100011090920 has 32 divisors (see below), whose sum is σ = 242334567720. Its totient is φ = 36927171840.

The previous prime is 100011090917. The next prime is 100011090937. The reversal of 100011090920 is 29090110001.

It can be written as a sum of positive squares in 4 ways, for example, as 26310786436 + 73700304484 = 162206^2 + 271478^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96163991 + ... + 96165030.

Almost surely, 2^100011090920 is an apocalyptic number.

100011090920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011090920 is an abundant number, since it is smaller than the sum of its proper divisors (142323476800).

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

100011090920 is a wasteful number, since it uses less digits than its factorization.

100011090920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192329045 (or 192329041 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 100011090920 in words is "one hundred billion, eleven million, ninety thousand, nine hundred twenty".