22102021010239 has 2 divisors, whose sum is σ = 22102021010240. Its totient is φ = 22102021010238.

The previous prime is 22102021010219. The next prime is 22102021010261. The reversal of 22102021010239 is 93201012020122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22102021010239 - 2²¹ = 22102018913087 is a prime.

It is a super-2 number, since 2×22102021010239² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102021010219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051010505119 + 11051010505120.

It is an arithmetic number, because the mean of its divisors is an integer number (11051010505120).

Almost surely, 2^{22102021010239} is an apocalyptic number.

22102021010239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102021010239 is an equidigital number, since it uses as much as digits as its factorization.

22102021010239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 22102021010239 in words is "twenty-two trillion, one hundred two billion, twenty-one million, ten thousand, two hundred thirty-nine".