122122011313 has 4 divisors (see below), whose sum is σ = 122197350388. Its totient is φ = 122046672240.

The previous prime is 122122011311. The next prime is 122122011367. The reversal of 122122011313 is 313110221221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60303642624 + 61818368689 = 245568^2 + 248633^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122011313 - 2¹ = 122122011311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122011311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37667106 + ... + 37670347.

It is an arithmetic number, because the mean of its divisors is an integer number (30549337597).

Almost surely, 2^122122011313 is an apocalyptic number.

It is an amenable number.

122122011313 is a deficient number, since it is larger than the sum of its proper divisors (75339075).

122122011313 is an equidigital number, since it uses as much as digits as its factorization.

122122011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75339074.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122122011313 its reverse (313110221221), we get a palindrome (435232232534).

The spelling of 122122011313 in words is "one hundred twenty-two billion, one hundred twenty-two million, eleven thousand, three hundred thirteen".