113112216 has 48 divisors (see below), whose sum is σ = 350110800. Its totient is φ = 32317632.

The previous prime is 113112199. The next prime is 113112283. The reversal of 113112216 is 612211311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

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, 111711 + ... + 112718.

It is an arithmetic number, because the mean of its divisors is an integer number (7293975).

Almost surely, 2^113112216 is an apocalyptic number.

It is an amenable number.

113112216 is an abundant number, since it is smaller than the sum of its proper divisors (236998584).

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

113112216 is a wasteful number, since it uses less digits than its factorization.

113112216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224448 (or 224441 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 113112216 is about 10635.4226996392. The cubic root of 113112216 is about 483.6187946155.

Adding to 113112216 its reverse (612211311), we get a palindrome (725323527).

The spelling of 113112216 in words is "one hundred thirteen million, one hundred twelve thousand, two hundred sixteen".