122202011220313 has 4 divisors (see below), whose sum is σ = 122203733489380. Its totient is φ = 122200288951248.

The previous prime is 122202011220307. The next prime is 122202011220323. The reversal of 122202011220313 is 313022110202221.

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 11840536056064 + 110361475164249 = 3441008^2 + 10505307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122202011220313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202011220323) 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, 861028098 + ... + 861170011.

It is an arithmetic number, because the mean of its divisors is an integer number (30550933372345).

Almost surely, 2^{122202011220313} is an apocalyptic number.

It is an amenable number.

122202011220313 is a deficient number, since it is larger than the sum of its proper divisors (1722269067).

122202011220313 is an equidigital number, since it uses as much as digits as its factorization.

122202011220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722269066.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 122202011220313 its reverse (313022110202221), we get a palindrome (435224121422534).

The spelling of 122202011220313 in words is "one hundred twenty-two trillion, two hundred two billion, eleven million, two hundred twenty thousand, three hundred thirteen".