113355157221 has 48 divisors (see below), whose sum is σ = 169376137216. Its totient is φ = 73006865568.

The previous prime is 113355157187. The next prime is 113355157249. The reversal of 113355157221 is 122751553311.

113355157221 is a `hidden beast` number, since 1 + 1 + 3 + 35 + 51 + 572 + 2 + 1 = 666.

It is not a de Polignac number, because 113355157221 - 2⁹ = 113355156709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113355157261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52894476 + ... + 52896618.

Almost surely, 2^113355157221 is an apocalyptic number.

It is an amenable number.

113355157221 is a deficient number, since it is larger than the sum of its proper divisors (56020979995).

113355157221 is a wasteful number, since it uses less digits than its factorization.

113355157221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3619 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The spelling of 113355157221 in words is "one hundred thirteen billion, three hundred fifty-five million, one hundred fifty-seven thousand, two hundred twenty-one".