111100112 has 20 divisors (see below), whose sum is σ = 215611200. Its totient is φ = 55458528.

The previous prime is 111100061. The next prime is 111100123. The reversal of 111100112 is 211001111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 111100112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889 + ... + 15687.

It is an arithmetic number, because the mean of its divisors is an integer number (10780560).

Almost surely, 2^111100112 is an apocalyptic number.

It is an amenable number.

111100112 is a deficient number, since it is larger than the sum of its proper divisors (104511088).

111100112 is a wasteful number, since it uses less digits than its factorization.

111100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450 (or 11444 counting only the distinct ones).

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

The square root of 111100112 is about 10540.4037873319. The cubic root of 111100112 is about 480.7339927824.

Adding to 111100112 its reverse (211001111), we get a palindrome (322101223).

Subtracting 111100112 from its reverse (211001111), we obtain a palindrome (99900999).

The spelling of 111100112 in words is "one hundred eleven million, one hundred thousand, one hundred twelve".