22121234200139 has 2 divisors, whose sum is σ = 22121234200140. Its totient is φ = 22121234200138.

The previous prime is 22121234200111. The next prime is 22121234200151. The reversal of 22121234200139 is 93100243212122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121234200139 - 2³⁶ = 22052514723403 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121234203139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060617100069 + 11060617100070.

It is an arithmetic number, because the mean of its divisors is an integer number (11060617100070).

Almost surely, 2^{22121234200139} is an apocalyptic number.

22121234200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121234200139 is an equidigital number, since it uses as much as digits as its factorization.

22121234200139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 22121234200139 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred thirty-four million, two hundred thousand, one hundred thirty-nine".