111001010112 has 84 divisors (see below), whose sum is σ = 320980155600. Its totient is φ = 36672878592.

The previous prime is 111001010101. The next prime is 111001010161. The reversal of 111001010112 is 211010100111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111001010094 and 111001010103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787612 + ... + 917787.

Almost surely, 2^111001010112 is an apocalyptic number.

111001010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111001010112 is an abundant number, since it is smaller than the sum of its proper divisors (209979145488).

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

111001010112 is a wasteful number, since it uses less digits than its factorization.

111001010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705530 (or 1705517 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111001010112 its reverse (211010100111), we get a palindrome (322011110223).

The spelling of 111001010112 in words is "one hundred eleven billion, one million, ten thousand, one hundred twelve".