22111690031 has 2 divisors, whose sum is σ = 22111690032. Its totient is φ = 22111690030.

The previous prime is 22111689959. The next prime is 22111690087. The reversal of 22111690031 is 13009611122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111690031 - 2¹⁰ = 22111689007 is a prime.

It is a super-2 number, since 2×22111690031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111690091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055845015 + 11055845016.

It is an arithmetic number, because the mean of its divisors is an integer number (11055845016).

Almost surely, 2^22111690031 is an apocalyptic number.

22111690031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111690031 is an equidigital number, since it uses as much as digits as its factorization.

22111690031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 22111690031 in words is "twenty-two billion, one hundred eleven million, six hundred ninety thousand, thirty-one".