11112022021931 has 2 divisors, whose sum is σ = 11112022021932. Its totient is φ = 11112022021930.

The previous prime is 11112022021913. The next prime is 11112022022011. The reversal of 11112022021931 is 13912022021111.

Together with previous prime (11112022021913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112022021931 is a prime.

It is a super-2 number, since 2×11112022021931² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11112022021931.

It is not a weakly prime, because it can be changed into another prime (11112022021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556011010965 + 5556011010966.

It is an arithmetic number, because the mean of its divisors is an integer number (5556011010966).

Almost surely, 2^{11112022021931} is an apocalyptic number.

11112022021931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112022021931 is an equidigital number, since it uses as much as digits as its factorization.

11112022021931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 11112022021931 in words is "eleven trillion, one hundred twelve billion, twenty-two million, twenty-one thousand, nine hundred thirty-one".