122123442311 has 24 divisors (see below), whose sum is σ = 139410653184. Its totient is φ = 106771560480.

The previous prime is 122123442247. The next prime is 122123442319. The reversal of 122123442311 is 113244321221.

It is a happy number.

It is not a de Polignac number, because 122123442311 - 2⁶ = 122123442247 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 (122123442319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1751 + ... + 494216.

It is an arithmetic number, because the mean of its divisors is an integer number (5808777216).

Almost surely, 2^122123442311 is an apocalyptic number.

122123442311 is a deficient number, since it is larger than the sum of its proper divisors (17287210873).

122123442311 is a wasteful number, since it uses less digits than its factorization.

122123442311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496071 (or 496058 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 122123442311 its reverse (113244321221), we get a palindrome (235367763532).

The spelling of 122123442311 in words is "one hundred twenty-two billion, one hundred twenty-three million, four hundred forty-two thousand, three hundred eleven".