21022320013311 has 8 divisors (see below), whose sum is σ = 28090562102064. Its totient is φ = 13984478966720.

The previous prime is 21022320013297. The next prime is 21022320013337. The reversal of 21022320013311 is 11331002322012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022320013311 - 2¹¹ = 21022320011263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022320013351) 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, 7600258926 + ... + 7600261691.

It is an arithmetic number, because the mean of its divisors is an integer number (3511320262758).

Almost surely, 2^{21022320013311} is an apocalyptic number.

21022320013311 is a deficient number, since it is larger than the sum of its proper divisors (7068242088753).

21022320013311 is a wasteful number, since it uses less digits than its factorization.

21022320013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200521081.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21022320013311 its reverse (11331002322012), we get a palindrome (32353322335323).

The spelling of 21022320013311 in words is "twenty-one trillion, twenty-two billion, three hundred twenty million, thirteen thousand, three hundred eleven".