21310011296 has 24 divisors (see below), whose sum is σ = 47947525920. Its totient is φ = 9132861888.

The previous prime is 21310011271. The next prime is 21310011329. The reversal of 21310011296 is 69211001312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47566766 + ... + 47567213.

It is an arithmetic number, because the mean of its divisors is an integer number (1997813580).

Almost surely, 2^21310011296 is an apocalyptic number.

It is an amenable number.

21310011296 is an abundant number, since it is smaller than the sum of its proper divisors (26637514624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21310011296 is an equidigital number, since it uses as much as digits as its factorization.

21310011296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95133996 (or 95133988 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 21310011296 in words is "twenty-one billion, three hundred ten million, eleven thousand, two hundred ninety-six".