113221013122 has 16 divisors (see below), whose sum is σ = 198222808320. Its totient is φ = 47490880608.

The previous prime is 113221013117. The next prime is 113221013123. The reversal of 113221013122 is 221310122311.

It is a self number, because there is not a number n which added to its sum of digits gives 113221013122.

It is not an unprimeable number, because it can be changed into a prime (113221013123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86033547 + ... + 86034862.

It is an arithmetic number, because the mean of its divisors is an integer number (12388925520).

Almost surely, 2^113221013122 is an apocalyptic number.

113221013122 is a deficient number, since it is larger than the sum of its proper divisors (85001795198).

113221013122 is a wasteful number, since it uses less digits than its factorization.

113221013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172068465.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 113221013122 its reverse (221310122311), we get a palindrome (334531135433).

The spelling of 113221013122 in words is "one hundred thirteen billion, two hundred twenty-one million, thirteen thousand, one hundred twenty-two".