122112111022111 has 16 divisors (see below), whose sum is σ = 143420200455168. Its totient is φ = 101786314276800.

The previous prime is 122112111022039. The next prime is 122112111022133. The reversal of 122112111022111 is 111220111211221.

It is a cyclic number.

It is not a de Polignac number, because 122112111022111 - 2²⁹ = 122111574151199 is a prime.

It is a super-2 number, since 2×122112111022111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112111020111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683958555 + ... + 684137068.

It is an arithmetic number, because the mean of its divisors is an integer number (8963762528448).

Almost surely, 2^{122112111022111} is an apocalyptic number.

122112111022111 is a deficient number, since it is larger than the sum of its proper divisors (21308089433057).

122112111022111 is a wasteful number, since it uses less digits than its factorization.

122112111022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368095982.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 122112111022111 its reverse (111220111211221), we get a palindrome (233332222233332).

The spelling of 122112111022111 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, twenty-two thousand, one hundred eleven".