100100111100 has 144 divisors (see below), whose sum is σ = 332581630080. Its totient is φ = 22989484800.

The previous prime is 100100111051. The next prime is 100100111143. The reversal of 100100111100 is 1111001001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 735547 + ... + 860946.

Almost surely, 2^100100111100 is an apocalyptic number.

100100111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100111100 is an abundant number, since it is smaller than the sum of its proper divisors (232481518980).

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

100100111100 is a wasteful number, since it uses less digits than its factorization.

100100111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596540 (or 1596533 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 100100111100 its reverse (1111001001), we get a palindrome (101211112101).

It can be divided in two parts, 1001001 and 11100, that added together give a palindrome (1012101).

The spelling of 100100111100 in words is "one hundred billion, one hundred million, one hundred eleven thousand, one hundred".