11122189931 has 2 divisors, whose sum is σ = 11122189932. Its totient is φ = 11122189930.

The previous prime is 11122189901. The next prime is 11122189943. The reversal of 11122189931 is 13998122111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11122189931 - 2¹⁰ = 11122188907 is a prime.

It is a super-2 number, since 2×11122189931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11122189901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561094965 + 5561094966.

It is an arithmetic number, because the mean of its divisors is an integer number (5561094966).

Almost surely, 2^11122189931 is an apocalyptic number.

11122189931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122189931 is an equidigital number, since it uses as much as digits as its factorization.

11122189931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 38.

The spelling of 11122189931 in words is "eleven billion, one hundred twenty-two million, one hundred eighty-nine thousand, nine hundred thirty-one".