22100122018987 has 2 divisors, whose sum is σ = 22100122018988. Its totient is φ = 22100122018986.

The previous prime is 22100122018937. The next prime is 22100122019051. The reversal of 22100122018987 is 78981022100122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22100122018987 - 2⁷ = 22100122018859 is a prime.

It is a super-2 number, since 2×22100122018987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22100122018937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050061009493 + 11050061009494.

It is an arithmetic number, because the mean of its divisors is an integer number (11050061009494).

Almost surely, 2^{22100122018987} is an apocalyptic number.

22100122018987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100122018987 is an equidigital number, since it uses as much as digits as its factorization.

22100122018987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 22100122018987 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, eighteen thousand, nine hundred eighty-seven".