21302013322213 has 32 divisors (see below), whose sum is σ = 24357896640000. Its totient is φ = 18455087056896.

The previous prime is 21302013322171. The next prime is 21302013322361. The reversal of 21302013322213 is 31222331020312.

It is not a de Polignac number, because 21302013322213 - 2²⁹ = 21301476451301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302013322013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271037320 + ... + 271115902.

It is an arithmetic number, because the mean of its divisors is an integer number (761184270000).

Almost surely, 2^{21302013322213} is an apocalyptic number.

It is an amenable number.

21302013322213 is a deficient number, since it is larger than the sum of its proper divisors (3055883317787).

21302013322213 is a wasteful number, since it uses less digits than its factorization.

21302013322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82021.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21302013322213 its reverse (31222331020312), we get a palindrome (52524344342525).

The spelling of 21302013322213 in words is "twenty-one trillion, three hundred two billion, thirteen million, three hundred twenty-two thousand, two hundred thirteen".