122113011311 has 4 divisors (see below), whose sum is σ = 122279605512. Its totient is φ = 121946417112.

The previous prime is 122113011263. The next prime is 122113011331. The reversal of 122113011311 is 113110311221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122113011311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122113011311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113011331) 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, 83296001 + ... + 83297466.

It is an arithmetic number, because the mean of its divisors is an integer number (30569901378).

Almost surely, 2^122113011311 is an apocalyptic number.

122113011311 is a deficient number, since it is larger than the sum of its proper divisors (166594201).

122113011311 is an equidigital number, since it uses as much as digits as its factorization.

122113011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166594200.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 122113011311 its reverse (113110311221), we get a palindrome (235223322532).

The spelling of 122113011311 in words is "one hundred twenty-two billion, one hundred thirteen million, eleven thousand, three hundred eleven".