122331122311 has 4 divisors (see below), whose sum is σ = 123110301592. Its totient is φ = 121551943032.

The previous prime is 122331122293. The next prime is 122331122323. The reversal of 122331122311 is 113221133221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122331122311 - 2²³ = 122322733703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331122371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389589405 + ... + 389589718.

It is an arithmetic number, because the mean of its divisors is an integer number (30777575398).

Almost surely, 2^122331122311 is an apocalyptic number.

122331122311 is a deficient number, since it is larger than the sum of its proper divisors (779179281).

122331122311 is an equidigital number, since it uses as much as digits as its factorization.

122331122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779179280.

The product of its digits is 432, while the sum is 22.

Adding to 122331122311 its reverse (113221133221), we get a palindrome (235552255532).

It can be divided in two parts, 122331 and 122311, that multiplied together give a palindrome (14962426941).

The spelling of 122331122311 in words is "one hundred twenty-two billion, three hundred thirty-one million, one hundred twenty-two thousand, three hundred eleven".