113221263647272 has 64 divisors (see below), whose sum is σ = 232639633497600. Its totient is φ = 51230749328640.

The previous prime is 113221263647257. The next prime is 113221263647321. The reversal of 113221263647272 is 272746362122311.

It is a super-2 number, since 2×113221263647272² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402327958 + ... + 402609274.

It is an arithmetic number, because the mean of its divisors is an integer number (3634994273400).

Almost surely, 2^{113221263647272} is an apocalyptic number.

It is an amenable number.

113221263647272 is an abundant number, since it is smaller than the sum of its proper divisors (119418369850328).

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

113221263647272 is a wasteful number, since it uses less digits than its factorization.

113221263647272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302066 (or 302062 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The spelling of 113221263647272 in words is "one hundred thirteen trillion, two hundred twenty-one billion, two hundred sixty-three million, six hundred forty-seven thousand, two hundred seventy-two".