122353522321 has 2 divisors, whose sum is σ = 122353522322. Its totient is φ = 122353522320.

The previous prime is 122353522301. The next prime is 122353522393. The reversal of 122353522321 is 123225353221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107331588225 + 15021934096 = 327615^2 + 122564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122353522321 is a prime.

It is not a weakly prime, because it can be changed into another prime (122353522301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61176761160 + 61176761161.

It is an arithmetic number, because the mean of its divisors is an integer number (61176761161).

Almost surely, 2^122353522321 is an apocalyptic number.

It is an amenable number.

122353522321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122353522321 is an equidigital number, since it uses as much as digits as its factorization.

122353522321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

Adding to 122353522321 its reverse (123225353221), we get a palindrome (245578875542).

The spelling of 122353522321 in words is "one hundred twenty-two billion, three hundred fifty-three million, five hundred twenty-two thousand, three hundred twenty-one".