21013303213339 has 2 divisors, whose sum is σ = 21013303213340. Its totient is φ = 21013303213338.

The previous prime is 21013303213321. The next prime is 21013303213351. The reversal of 21013303213339 is 93331230331012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21013303213339 - 2¹⁷ = 21013303082267 is a prime.

It is not a weakly prime, because it can be changed into another prime (21013303253339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506651606669 + 10506651606670.

It is an arithmetic number, because the mean of its divisors is an integer number (10506651606670).

Almost surely, 2^{21013303213339} is an apocalyptic number.

21013303213339 is a deficient number, since it is larger than the sum of its proper divisors (1).

21013303213339 is an equidigital number, since it uses as much as digits as its factorization.

21013303213339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 34.

The spelling of 21013303213339 in words is "twenty-one trillion, thirteen billion, three hundred three million, two hundred thirteen thousand, three hundred thirty-nine".