113111221302 has 24 divisors (see below), whose sum is σ = 245396385000. Its totient is φ = 37654190880.

The previous prime is 113111221283. The next prime is 113111221309. The reversal of 113111221302 is 203122111311.

113111221302 is a `hidden beast` number, since 1 + 131 + 11 + 221 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111221309) 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, 4115052 + ... + 4142447.

It is an arithmetic number, because the mean of its divisors is an integer number (10224849375).

Almost surely, 2^113111221302 is an apocalyptic number.

113111221302 is an abundant number, since it is smaller than the sum of its proper divisors (132285163698).

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

113111221302 is a wasteful number, since it uses less digits than its factorization.

113111221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258268 (or 8258265 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113111221302 its reverse (203122111311), we get a palindrome (316233332613).

The spelling of 113111221302 in words is "one hundred thirteen billion, one hundred eleven million, two hundred twenty-one thousand, three hundred two".