111113320 has 16 divisors (see below), whose sum is σ = 250005060. Its totient is φ = 44445312.

The previous prime is 111113243. The next prime is 111113329. The reversal of 111113320 is 23311111.

It can be written as a sum of positive squares in 2 ways, for example, as 109872324 + 1240996 = 10482^2 + 1114^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111113320.

It is not an unprimeable number, because it can be changed into a prime (111113329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388877 + ... + 1388956.

Almost surely, 2^111113320 is an apocalyptic number.

111113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111113320 is an abundant number, since it is smaller than the sum of its proper divisors (138891740).

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

111113320 is a wasteful number, since it uses less digits than its factorization.

111113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777844 (or 2777840 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111113320 is about 10541.0303101737. The cubic root of 111113320 is about 480.7530425171.

Adding to 111113320 its reverse (23311111), we get a palindrome (134424431).

The spelling of 111113320 in words is "one hundred eleven million, one hundred thirteen thousand, three hundred twenty".