22212311330321 has 12 divisors (see below), whose sum is σ = 26067473191332. Its totient is φ = 18870636169728.

The previous prime is 22212311330299. The next prime is 22212311330323. The reversal of 22212311330321 is 12303311321222.

It can be written as a sum of positive squares in 2 ways, for example, as 7081261612096 + 15131049718225 = 2661064^2 + 3889865^2 .

It is not a de Polignac number, because 22212311330321 - 2¹⁰ = 22212311329297 is a prime.

It is a super-3 number, since 3×22212311330321³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22212311330323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2005801880 + ... + 2005812953.

It is an arithmetic number, because the mean of its divisors is an integer number (2172289432611).

Almost surely, 2^{22212311330321} is an apocalyptic number.

It is an amenable number.

22212311330321 is a deficient number, since it is larger than the sum of its proper divisors (3855161861011).

22212311330321 is a wasteful number, since it uses less digits than its factorization.

22212311330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011614960 (or 4011614953 counting only the distinct ones).

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

Adding to 22212311330321 its reverse (12303311321222), we get a palindrome (34515622651543).

Subtracting from 22212311330321 its reverse (12303311321222), we obtain a palindrome (9909000009099).

The spelling of 22212311330321 in words is "twenty-two trillion, two hundred twelve billion, three hundred eleven million, three hundred thirty thousand, three hundred twenty-one".