22321120321 has 2 divisors, whose sum is σ = 22321120322. Its totient is φ = 22321120320.

The previous prime is 22321120273. The next prime is 22321120357. The reversal of 22321120321 is 12302112322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20004142096 + 2316978225 = 141436^2 + 48135^2 .

It is a cyclic number.

It is not a de Polignac number, because 22321120321 - 2⁷ = 22321120193 is a prime.

It is a super-3 number, since 3×22321120321³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22321120361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160560160 + 11160560161.

It is an arithmetic number, because the mean of its divisors is an integer number (11160560161).

Almost surely, 2^22321120321 is an apocalyptic number.

It is an amenable number.

22321120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321120321 is an equidigital number, since it uses as much as digits as its factorization.

22321120321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22321120321 its reverse (12302112322), we get a palindrome (34623232643).

The spelling of 22321120321 in words is "twenty-two billion, three hundred twenty-one million, one hundred twenty thousand, three hundred twenty-one".