21322220201310 has 64 divisors (see below), whose sum is σ = 58484433600000. Its totient is φ = 4873597863552.

The previous prime is 21322220201299. The next prime is 21322220201351. The reversal of 21322220201310 is 1310202222312.

It is a super-2 number, since 2×21322220201310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21029496 + ... + 22020084.

It is an arithmetic number, because the mean of its divisors is an integer number (913819275000).

Almost surely, 2^{21322220201310} is an apocalyptic number.

21322220201310 is an abundant number, since it is smaller than the sum of its proper divisors (37162213398690).

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

21322220201310 is a wasteful number, since it uses less digits than its factorization.

21322220201310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093105.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21322220201310 its reverse (1310202222312), we get a palindrome (22632422423622).

The spelling of 21322220201310 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred twenty million, two hundred one thousand, three hundred ten".