111112111000 has 64 divisors (see below), whose sum is σ = 283638944160. Its totient is φ = 40404400000.

The previous prime is 111112110971. The next prime is 111112111007. The reversal of 111112111000 is 111211111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5039551 + ... + 5061550.

Almost surely, 2^111112111000 is an apocalyptic number.

111112111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111112111000 is an abundant number, since it is smaller than the sum of its proper divisors (172526833160).

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

111112111000 is a wasteful number, since it uses less digits than its factorization.

111112111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101133 (or 10101119 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111112111000 its reverse (111211111), we get a palindrome (111223322111).

The spelling of 111112111000 in words is "one hundred eleven billion, one hundred twelve million, one hundred eleven thousand".