22100210121931 has 2 divisors, whose sum is σ = 22100210121932. Its totient is φ = 22100210121930.

The previous prime is 22100210121901. The next prime is 22100210122021. The reversal of 22100210121931 is 13912101200122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22100210121931 is a prime.

It is a super-2 number, since 2×22100210121931² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22100210121896 and 22100210121905.

It is not a weakly prime, because it can be changed into another prime (22100210121901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050105060965 + 11050105060966.

It is an arithmetic number, because the mean of its divisors is an integer number (11050105060966).

Almost surely, 2^{22100210121931} is an apocalyptic number.

22100210121931 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100210121931 is an equidigital number, since it uses as much as digits as its factorization.

22100210121931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 22100210121931 in words is "twenty-two trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, nine hundred thirty-one".