21322311320202 has 8 divisors (see below), whose sum is σ = 42644622640416. Its totient is φ = 7107437106732.

The previous prime is 21322311320197. The next prime is 21322311320249. The reversal of 21322311320202 is 20202311322312.

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

21322311320202 is an admirable number.

It is a super-2 number, since 2×21322311320202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776859276678 + ... + 1776859276689.

It is an arithmetic number, because the mean of its divisors is an integer number (5330577830052).

Almost surely, 2^{21322311320202} is an apocalyptic number.

21322311320202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21322311320202 is a wasteful number, since it uses less digits than its factorization.

21322311320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553718553372.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21322311320202 its reverse (20202311322312), we get a palindrome (41524622642514).

The spelling of 21322311320202 in words is "twenty-one trillion, three hundred twenty-two billion, three hundred eleven million, three hundred twenty thousand, two hundred two".