122333221321 has 2 divisors, whose sum is σ = 122333221322. Its totient is φ = 122333221320.

The previous prime is 122333221303. The next prime is 122333221333. The reversal of 122333221321 is 123122333221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73950819721 + 48382401600 = 271939^2 + 219960^2 .

It is an emirp because it is prime and its reverse (123122333221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122333221321 - 2¹³ = 122333213129 is a prime.

It is not a weakly prime, because it can be changed into another prime (122333221301) 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, 61166610660 + 61166610661.

It is an arithmetic number, because the mean of its divisors is an integer number (61166610661).

Almost surely, 2^122333221321 is an apocalyptic number.

It is an amenable number.

122333221321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122333221321 is an equidigital number, since it uses as much as digits as its factorization.

122333221321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 122333221321 its reverse (123122333221), we get a palindrome (245455554542).

The spelling of 122333221321 in words is "one hundred twenty-two billion, three hundred thirty-three million, two hundred twenty-one thousand, three hundred twenty-one".