111313212124122 has 12 divisors (see below), whose sum is σ = 241178626268970. Its totient is φ = 37104404041368.

The previous prime is 111313212124087. The next prime is 111313212124123. The reversal of 111313212124122 is 221421212313111.

111313212124122 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 1 + 32 + 1 + 212 + 412 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56901359803401 + 54411852320721 = 7543299^2 + 7376439^2 .

It is not an unprimeable number, because it can be changed into a prime (111313212124123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3092033670097 + ... + 3092033670132.

Almost surely, 2^{111313212124122} is an apocalyptic number.

111313212124122 is an abundant number, since it is smaller than the sum of its proper divisors (129865414144848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111313212124122 is a wasteful number, since it uses less digits than its factorization.

111313212124122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184067340237 (or 6184067340234 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 111313212124122 its reverse (221421212313111), we get a palindrome (332734424437233).

The spelling of 111313212124122 in words is "one hundred eleven trillion, three hundred thirteen billion, two hundred twelve million, one hundred twenty-four thousand, one hundred twenty-two".