22041311321 has 2 divisors, whose sum is σ = 22041311322. Its totient is φ = 22041311320.

The previous prime is 22041311297. The next prime is 22041311387. The reversal of 22041311321 is 12311314022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21846318025 + 194993296 = 147805^2 + 13964^2 .

It is a cyclic number.

It is not a de Polignac number, because 22041311321 - 2³⁴ = 4861442137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22041311293 and 22041311302.

It is not a weakly prime, because it can be changed into another prime (22041310321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020655660 + 11020655661.

It is an arithmetic number, because the mean of its divisors is an integer number (11020655661).

Almost surely, 2^22041311321 is an apocalyptic number.

It is an amenable number.

22041311321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22041311321 is an equidigital number, since it uses as much as digits as its factorization.

22041311321 is an evil number, because the sum of its binary digits is even.

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

Adding to 22041311321 its reverse (12311314022), we get a palindrome (34352625343).

The spelling of 22041311321 in words is "twenty-two billion, forty-one million, three hundred eleven thousand, three hundred twenty-one".