112111221131 has 32 divisors (see below), whose sum is σ = 140601084288. Its totient is φ = 87027747840.

The previous prime is 112111221083. The next prime is 112111221161. The reversal of 112111221131 is 131122111211.

It is a cyclic number.

It is not a de Polignac number, because 112111221131 - 2⁶ = 112111221067 is a prime.

It is a super-2 number, since 2×112111221131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112111221161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2178311 + ... + 2229183.

It is an arithmetic number, because the mean of its divisors is an integer number (4393783884).

Almost surely, 2^112111221131 is an apocalyptic number.

112111221131 is a deficient number, since it is larger than the sum of its proper divisors (28489863157).

112111221131 is a wasteful number, since it uses less digits than its factorization.

112111221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351.

The product of its digits is 24, while the sum is 17.

Adding to 112111221131 its reverse (131122111211), we get a palindrome (243233332342).

The spelling of 112111221131 in words is "one hundred twelve billion, one hundred eleven million, two hundred twenty-one thousand, one hundred thirty-one".