322323102213221 has 2 divisors, whose sum is σ = 322323102213222. Its totient is φ = 322323102213220.

The previous prime is 322323102213209. The next prime is 322323102213251. The reversal of 322323102213221 is 122312201323223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295669744502500 + 26653357710721 = 17195050^2 + 5162689^2 .

It is an emirp because it is prime and its reverse (122312201323223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322323102213221 - 2⁶ = 322323102213157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322323102213251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161161551106610 + 161161551106611.

It is an arithmetic number, because the mean of its divisors is an integer number (161161551106611).

Almost surely, 2^{322323102213221} is an apocalyptic number.

It is an amenable number.

322323102213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

322323102213221 is an equidigital number, since it uses as much as digits as its factorization.

322323102213221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 322323102213221 its reverse (122312201323223), we get a palindrome (444635303536444).

The spelling of 322323102213221 in words is "three hundred twenty-two trillion, three hundred twenty-three billion, one hundred two million, two hundred thirteen thousand, two hundred twenty-one".