22112312321 has 8 divisors (see below), whose sum is σ = 24192044064. Its totient is φ = 20044167520.

The previous prime is 22112312311. The next prime is 22112312381. The reversal of 22112312321 is 12321321122.

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 22112312321 - 2²² = 22108118017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112312293 and 22112312302.

It is not an unprimeable number, because it can be changed into a prime (22112312311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892740 + ... + 2900373.

It is an arithmetic number, because the mean of its divisors is an integer number (3024005508).

Almost surely, 2^22112312321 is an apocalyptic number.

It is an amenable number.

22112312321 is a deficient number, since it is larger than the sum of its proper divisors (2079731743).

22112312321 is a wasteful number, since it uses less digits than its factorization.

22112312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793471.

The product of its digits is 288, while the sum is 20.

Adding to 22112312321 its reverse (12321321122), we get a palindrome (34433633443).

It can be divided in two parts, 22112 and 312321, that added together give a palindrome (334433).

The spelling of 22112312321 in words is "twenty-two billion, one hundred twelve million, three hundred twelve thousand, three hundred twenty-one".