122120310113311 has 4 divisors (see below), whose sum is σ = 122122673494192. Its totient is φ = 122117946732432.

The previous prime is 122120310113287. The next prime is 122120310113327. The reversal of 122120310113311 is 113311013021221.

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 122120310113311 - 2²⁷ = 122120175895583 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 (122120310113381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181612931 + ... + 1181716276.

It is an arithmetic number, because the mean of its divisors is an integer number (30530668373548).

Almost surely, 2^{122120310113311} is an apocalyptic number.

122120310113311 is a deficient number, since it is larger than the sum of its proper divisors (2363380881).

122120310113311 is an equidigital number, since it uses as much as digits as its factorization.

122120310113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363380880.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 122120310113311 its reverse (113311013021221), we get a palindrome (235431323134532).

The spelling of 122120310113311 in words is "one hundred twenty-two trillion, one hundred twenty billion, three hundred ten million, one hundred thirteen thousand, three hundred eleven".