21313322320011 has 8 divisors (see below), whose sum is σ = 28422030692160. Its totient is φ = 14206747747272.

The previous prime is 21313322319983. The next prime is 21313322320027. The reversal of 21313322320011 is 11002322331312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21313322320011 - 2¹³ = 21313322311819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21313322320111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533426545 + ... + 533466498.

It is an arithmetic number, because the mean of its divisors is an integer number (3552753836520).

Almost surely, 2^{21313322320011} is an apocalyptic number.

21313322320011 is a deficient number, since it is larger than the sum of its proper divisors (7108708372149).

21313322320011 is a wasteful number, since it uses less digits than its factorization.

21313322320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066899705.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21313322320011 its reverse (11002322331312), we get a palindrome (32315644651323).

The spelling of 21313322320011 in words is "twenty-one trillion, three hundred thirteen billion, three hundred twenty-two million, three hundred twenty thousand, eleven".