21200122133159 has 2 divisors, whose sum is σ = 21200122133160. Its totient is φ = 21200122133158.

The previous prime is 21200122133137. The next prime is 21200122133167. The reversal of 21200122133159 is 95133122100212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21200122133159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21200122133119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600061066579 + 10600061066580.

It is an arithmetic number, because the mean of its divisors is an integer number (10600061066580).

Almost surely, 2^{21200122133159} is an apocalyptic number.

21200122133159 is a deficient number, since it is larger than the sum of its proper divisors (1).

21200122133159 is an equidigital number, since it uses as much as digits as its factorization.

21200122133159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 21200122133159 in words is "twenty-one trillion, two hundred billion, one hundred twenty-two million, one hundred thirty-three thousand, one hundred fifty-nine".