22121000002039 has 2 divisors, whose sum is σ = 22121000002040. Its totient is φ = 22121000002038.

The previous prime is 22121000001959. The next prime is 22121000002091. The reversal of 22121000002039 is 93020000012122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121000002039 - 2²⁵ = 22120966447607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121000002639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060500001019 + 11060500001020.

It is an arithmetic number, because the mean of its divisors is an integer number (11060500001020).

Almost surely, 2^{22121000002039} is an apocalyptic number.

22121000002039 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121000002039 is an equidigital number, since it uses as much as digits as its factorization.

22121000002039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 22121000002039 in words is "twenty-two trillion, one hundred twenty-one billion, two thousand, thirty-nine".