21301202321311 has 8 divisors (see below), whose sum is σ = 23429722164048. Its totient is φ = 19364729381800.

The previous prime is 21301202321279. The next prime is 21301202321341. The reversal of 21301202321311 is 11312320210312.

It is not a de Polignac number, because 21301202321311 - 2⁵ = 21301202321279 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 (21301202321341) 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 7 ways as a sum of consecutive naturals, for example, 8001952960 + ... + 8001955621.

It is an arithmetic number, because the mean of its divisors is an integer number (2928715270506).

Almost surely, 2^{21301202321311} is an apocalyptic number.

21301202321311 is a deficient number, since it is larger than the sum of its proper divisors (2128519842737).

21301202321311 is an equidigital number, since it uses as much as digits as its factorization.

21301202321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003908614 (or 16003908592 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21301202321311 its reverse (11312320210312), we get a palindrome (32613522531623).

The spelling of 21301202321311 in words is "twenty-one trillion, three hundred one billion, two hundred two million, three hundred twenty-one thousand, three hundred eleven".