10120031100 has 54 divisors (see below), whose sum is σ = 31720678080. Its totient is φ = 2698674720.

The previous prime is 10120031093. The next prime is 10120031111. The reversal of 10120031100 is 113002101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5621340 + ... + 5623139.

Almost surely, 2^10120031100 is an apocalyptic number.

10120031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120031100 is an abundant number, since it is smaller than the sum of its proper divisors (21600646980).

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

10120031100 is a wasteful number, since it uses less digits than its factorization.

10120031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244499 (or 11244489 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10120031100 its reverse (113002101), we get a palindrome (10233033201).

The spelling of 10120031100 in words is "ten billion, one hundred twenty million, thirty-one thousand, one hundred".