100012111100 has 72 divisors (see below), whose sum is σ = 238064460816. Its totient is φ = 36167040000.

The previous prime is 100012111097. The next prime is 100012111151. The reversal of 100012111100 is 1111210001.

It is a happy number.

100012111100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52061 + ... + 450260.

Almost surely, 2^100012111100 is an apocalyptic number.

100012111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012111100 is an abundant number, since it is smaller than the sum of its proper divisors (138052349716).

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

100012111100 is a wasteful number, since it uses less digits than its factorization.

100012111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502527 (or 502520 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100012111100 its reverse (1111210001), we get a palindrome (101123321101).

It can be divided in two parts, 100012 and 111100, that added together give a palindrome (211112).

The spelling of 100012111100 in words is "one hundred billion, twelve million, one hundred eleven thousand, one hundred".