122113111131 has 24 divisors (see below), whose sum is σ = 202548066240. Its totient is φ = 70112790000.

The previous prime is 122113111129. The next prime is 122113111151. The reversal of 122113111131 is 131111311221.

122113111131 is a `hidden beast` number, since 1 + 221 + 1 + 311 + 1 + 131 = 666.

It is not a de Polignac number, because 122113111131 - 2¹ = 122113111129 is a prime.

It is a super-2 number, since 2×122113111131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122113111151) 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, 32457745 + ... + 32461506.

It is an arithmetic number, because the mean of its divisors is an integer number (8439502760).

Almost surely, 2^122113111131 is an apocalyptic number.

122113111131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122113111131 is a deficient number, since it is larger than the sum of its proper divisors (80434955109).

122113111131 is a wasteful number, since it uses less digits than its factorization.

122113111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64919287 (or 64919284 counting only the distinct ones).

The product of its digits is 36, while the sum is 18.

Adding to 122113111131 its reverse (131111311221), we get a palindrome (253224422352).

The spelling of 122113111131 in words is "one hundred twenty-two billion, one hundred thirteen million, one hundred eleven thousand, one hundred thirty-one".