22221012020087 has 2 divisors, whose sum is σ = 22221012020088. Its totient is φ = 22221012020086.

The previous prime is 22221012020003. The next prime is 22221012020203. The reversal of 22221012020087 is 78002021012222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221012020087 - 2²⁸ = 22220743584631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221012020387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110506010043 + 11110506010044.

It is an arithmetic number, because the mean of its divisors is an integer number (11110506010044).

Almost surely, 2^{22221012020087} is an apocalyptic number.

22221012020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221012020087 is an equidigital number, since it uses as much as digits as its factorization.

22221012020087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 22221012020087 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, twenty thousand, eighty-seven".