122311113123 has 16 divisors (see below), whose sum is σ = 166614497280. Its totient is φ = 79775552256.

The previous prime is 122311113073. The next prime is 122311113143. The reversal of 122311113123 is 321311113221.

It is not a de Polignac number, because 122311113123 - 2⁶ = 122311113059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122311113123.

It is not an unprimeable number, because it can be changed into a prime (122311113143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211398 + ... + 537876.

It is an arithmetic number, because the mean of its divisors is an integer number (10413406080).

Almost surely, 2^122311113123 is an apocalyptic number.

122311113123 is a deficient number, since it is larger than the sum of its proper divisors (44303384157).

122311113123 is a wasteful number, since it uses less digits than its factorization.

122311113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329186.

The product of its digits is 216, while the sum is 21.

Adding to 122311113123 its reverse (321311113221), we get a palindrome (443622226344).

The spelling of 122311113123 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred thirteen thousand, one hundred twenty-three".