22122121022087 has 2 divisors, whose sum is σ = 22122121022088. Its totient is φ = 22122121022086.

The previous prime is 22122121022021. The next prime is 22122121022117. The reversal of 22122121022087 is 78022012122122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22122121022087 - 2⁸ = 22122121021831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122121022587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061060511043 + 11061060511044.

It is an arithmetic number, because the mean of its divisors is an integer number (11061060511044).

Almost surely, 2^{22122121022087} is an apocalyptic number.

22122121022087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122121022087 is an equidigital number, since it uses as much as digits as its factorization.

22122121022087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 22122121022087 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, eighty-seven".