111113400 has 48 divisors (see below), whose sum is σ = 344453400. Its totient is φ = 29630080.

The previous prime is 111113389. The next prime is 111113417. The reversal of 111113400 is 4311111.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 91995 + ... + 93194.

Almost surely, 2^111113400 is an apocalyptic number.

111113400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111113400 is an abundant number, since it is smaller than the sum of its proper divisors (233340000).

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

111113400 is a wasteful number, since it uses less digits than its factorization.

111113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185208 (or 185199 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 111113400 is about 10541.0341048685. The cubic root of 111113400 is about 480.7531578955.

Adding to 111113400 its reverse (4311111), we get a palindrome (115424511).

The spelling of 111113400 in words is "one hundred eleven million, one hundred thirteen thousand, four hundred".