21322311321302 has 32 divisors (see below), whose sum is σ = 32668514403840. Its totient is φ = 10435134256960.

The previous prime is 21322311321271. The next prime is 21322311321313. The reversal of 21322311321302 is 20312311322312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18628913 + ... + 19740339.

It is an arithmetic number, because the mean of its divisors is an integer number (1020891075120).

Almost surely, 2^{21322311321302} is an apocalyptic number.

21322311321302 is a deficient number, since it is larger than the sum of its proper divisors (11346203082538).

21322311321302 is a wasteful number, since it uses less digits than its factorization.

21322311321302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112476.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21322311321302 its reverse (20312311322312), we get a palindrome (41634622643614).

The spelling of 21322311321302 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred eleven million, three hundred twenty-one thousand, three hundred two".