21300023222311 has 4 divisors (see below), whose sum is σ = 21300037324912. Its totient is φ = 21300009119712.

The previous prime is 21300023222167. The next prime is 21300023222329. The reversal of 21300023222311 is 11322232000312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21300023222311 - 2²³ = 21300014833703 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 (21300023222351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471026 + ... + 7911391.

It is an arithmetic number, because the mean of its divisors is an integer number (5325009331228).

Almost surely, 2^{21300023222311} is an apocalyptic number.

21300023222311 is a deficient number, since it is larger than the sum of its proper divisors (14102601).

21300023222311 is a wasteful number, since it uses less digits than its factorization.

21300023222311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14102600.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21300023222311 its reverse (11322232000312), we get a palindrome (32622255222623).

The spelling of 21300023222311 in words is "twenty-one trillion, three hundred billion, twenty-three million, two hundred twenty-two thousand, three hundred eleven".