21300322311 has 12 divisors (see below), whose sum is σ = 30776051592. Its totient is φ = 14196098256.

The previous prime is 21300322283. The next prime is 21300322321. The reversal of 21300322311 is 11322300312.

21300322311 is a `hidden beast` number, since 2 + 1 + 30 + 0 + 322 + 311 = 666.

It is not a de Polignac number, because 21300322311 - 2⁵ = 21300322279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300322321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310116 + ... + 372521.

It is an arithmetic number, because the mean of its divisors is an integer number (2564670966).

Almost surely, 2^21300322311 is an apocalyptic number.

21300322311 is a deficient number, since it is larger than the sum of its proper divisors (9475729281).

21300322311 is a wasteful number, since it uses less digits than its factorization.

21300322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686110 (or 686107 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21300322311 its reverse (11322300312), we get a palindrome (32622622623).

The spelling of 21300322311 in words is "twenty-one billion, three hundred million, three hundred twenty-two thousand, three hundred eleven".