21310213299 has 32 divisors (see below), whose sum is σ = 30211161600. Its totient is φ = 13332591360.

The previous prime is 21310213291. The next prime is 21310213313. The reversal of 21310213299 is 99231201312.

It is not a de Polignac number, because 21310213299 - 2³ = 21310213291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21310213291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1715292 + ... + 1727670.

It is an arithmetic number, because the mean of its divisors is an integer number (944098800).

Almost surely, 2^21310213299 is an apocalyptic number.

21310213299 is a deficient number, since it is larger than the sum of its proper divisors (8900948301).

21310213299 is a wasteful number, since it uses less digits than its factorization.

21310213299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 21310213299 in words is "twenty-one billion, three hundred ten million, two hundred thirteen thousand, two hundred ninety-nine".