111001001000100 has 72 divisors (see below), whose sum is σ = 321172660904928. Its totient is φ = 29599366963200.

The previous prime is 111001001000083. The next prime is 111001001000213. The reversal of 111001001000100 is 1000100100111.

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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4287780 + ... + 15504420.

Almost surely, 2^{111001001000100} is an apocalyptic number.

111001001000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001001000100 is an abundant number, since it is smaller than the sum of its proper divisors (210171659904828).

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

111001001000100 is a wasteful number, since it uses less digits than its factorization.

111001001000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249645 (or 11249638 counting only the distinct ones).

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

Adding to 111001001000100 its reverse (1000100100111), we get a palindrome (112001101100211).

The spelling of 111001001000100 in words is "one hundred eleven trillion, one billion, one million, one hundred", and thus it is an aban number.