112122220131 has 12 divisors (see below), whose sum is σ = 161957941080. Its totient is φ = 74746474560.

The previous prime is 112122220127. The next prime is 112122220153. The reversal of 112122220131 is 131022221211.

It is not a de Polignac number, because 112122220131 - 2² = 112122220127 is a prime.

It is a super-2 number, since 2×112122220131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112122220531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391900 + ... + 614678.

It is an arithmetic number, because the mean of its divisors is an integer number (13496495090).

Almost surely, 2^112122220131 is an apocalyptic number.

112122220131 is a deficient number, since it is larger than the sum of its proper divisors (49835720949).

112122220131 is a wasteful number, since it uses less digits than its factorization.

112122220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278706 (or 278703 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112122220131 its reverse (131022221211), we get a palindrome (243144441342).

The spelling of 112122220131 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred thirty-one".