113331222212 has 36 divisors (see below), whose sum is σ = 224096705280. Its totient is φ = 50032505952.

The previous prime is 113331222181. The next prime is 113331222223. The reversal of 113331222212 is 212222133311.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 3629012 + ... + 3660107.

It is an arithmetic number, because the mean of its divisors is an integer number (6224908480).

Almost surely, 2^113331222212 is an apocalyptic number.

It is an amenable number.

113331222212 is a deficient number, since it is larger than the sum of its proper divisors (110765483068).

113331222212 is a wasteful number, since it uses less digits than its factorization.

113331222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289172 (or 7289157 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 113331222212 its reverse (212222133311), we get a palindrome (325553355523).

The spelling of 113331222212 in words is "one hundred thirteen billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred twelve".