22200121087 has 2 divisors, whose sum is σ = 22200121088. Its totient is φ = 22200121086.

The previous prime is 22200121057. The next prime is 22200121159. The reversal of 22200121087 is 78012100222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22200121087 - 2²⁷ = 22065903359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200121057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100060543 + 11100060544.

It is an arithmetic number, because the mean of its divisors is an integer number (11100060544).

Almost surely, 2^22200121087 is an apocalyptic number.

22200121087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200121087 is an equidigital number, since it uses as much as digits as its factorization.

22200121087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 22200121087 in words is "twenty-two billion, two hundred million, one hundred twenty-one thousand, eighty-seven".