113112222 has 16 divisors (see below), whose sum is σ = 226782480. Its totient is φ = 37611072.

The previous prime is 113112199. The next prime is 113112283. The reversal of 113112222 is 222211311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20593 + ... + 25500.

It is an arithmetic number, because the mean of its divisors is an integer number (14173905).

Almost surely, 2^113112222 is an apocalyptic number.

113112222 is an abundant number, since it is smaller than the sum of its proper divisors (113670258).

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

113112222 is a wasteful number, since it uses less digits than its factorization.

113112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46507.

The product of its digits is 48, while the sum is 15.

The square root of 113112222 is about 10635.4229817154. The cubic root of 113112222 is about 483.6188031666.

Adding to 113112222 its reverse (222211311), we get a palindrome (335323533).

The spelling of 113112222 in words is "one hundred thirteen million, one hundred twelve thousand, two hundred twenty-two".