122235311321 has 2 divisors, whose sum is σ = 122235311322. Its totient is φ = 122235311320.

The previous prime is 122235311311. The next prime is 122235311339. The reversal of 122235311321 is 123113532221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84817825225 + 37417486096 = 291235^2 + 193436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122235311321 is a prime.

It is not a weakly prime, because it can be changed into another prime (122235311311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61117655660 + 61117655661.

It is an arithmetic number, because the mean of its divisors is an integer number (61117655661).

Almost surely, 2^122235311321 is an apocalyptic number.

It is an amenable number.

122235311321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122235311321 is an equidigital number, since it uses as much as digits as its factorization.

122235311321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

Adding to 122235311321 its reverse (123113532221), we get a palindrome (245348843542).

The spelling of 122235311321 in words is "one hundred twenty-two billion, two hundred thirty-five million, three hundred eleven thousand, three hundred twenty-one".