122113100311 has 4 divisors (see below), whose sum is σ = 122113829824. Its totient is φ = 122112370800.

The previous prime is 122113100309. The next prime is 122113100321. The reversal of 122113100311 is 113001311221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 113001311221 = 373 ⋅302952577.

It is a cyclic number.

It is not a de Polignac number, because 122113100311 - 2¹ = 122113100309 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 (122113100321) 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, 25531 + ... + 494851.

It is an arithmetic number, because the mean of its divisors is an integer number (30528457456).

Almost surely, 2^122113100311 is an apocalyptic number.

122113100311 is a deficient number, since it is larger than the sum of its proper divisors (729513).

122113100311 is an equidigital number, since it uses as much as digits as its factorization.

122113100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729512.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 122113100311 its reverse (113001311221), we get a palindrome (235114411532).

The spelling of 122113100311 in words is "one hundred twenty-two billion, one hundred thirteen million, one hundred thousand, three hundred eleven".