113300221521 has 12 divisors (see below), whose sum is σ = 160475978192. Its totient is φ = 71090334528.

The previous prime is 113300221499. The next prime is 113300221571. The reversal of 113300221521 is 125122003311.

It is not a de Polignac number, because 113300221521 - 2¹³ = 113300213329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113300221571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65339515 + ... + 65341248.

Almost surely, 2^113300221521 is an apocalyptic number.

It is an amenable number.

113300221521 is a deficient number, since it is larger than the sum of its proper divisors (47175756671).

113300221521 is a wasteful number, since it uses less digits than its factorization.

113300221521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130680800 (or 130680783 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 113300221521 its reverse (125122003311), we get a palindrome (238422224832).

The spelling of 113300221521 in words is "one hundred thirteen billion, three hundred million, two hundred twenty-one thousand, five hundred twenty-one".