21201200021059 has 2 divisors, whose sum is σ = 21201200021060. Its totient is φ = 21201200021058.

The previous prime is 21201200020981. The next prime is 21201200021173. The reversal of 21201200021059 is 95012000210212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21201200021059 - 2⁹ = 21201200020547 is a prime.

It is not a weakly prime, because it can be changed into another prime (21201200021359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600600010529 + 10600600010530.

It is an arithmetic number, because the mean of its divisors is an integer number (10600600010530).

Almost surely, 2^{21201200021059} is an apocalyptic number.

21201200021059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21201200021059 is an equidigital number, since it uses as much as digits as its factorization.

21201200021059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 21201200021059 in words is "twenty-one trillion, two hundred one billion, two hundred million, twenty-one thousand, fifty-nine".