222111331313 has 2 divisors, whose sum is σ = 222111331314. Its totient is φ = 222111331312.

The previous prime is 222111331279. The next prime is 222111331363. The reversal of 222111331313 is 313133111222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121474555024 + 100636776289 = 348532^2 + 317233^2 .

It is a cyclic number.

It is not a de Polignac number, because 222111331313 - 2³⁴ = 204931462129 is a prime.

It is not a weakly prime, because it can be changed into another prime (222111331363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055665656 + 111055665657.

It is an arithmetic number, because the mean of its divisors is an integer number (111055665657).

Almost surely, 2^222111331313 is an apocalyptic number.

It is an amenable number.

222111331313 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111331313 is an equidigital number, since it uses as much as digits as its factorization.

222111331313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

Adding to 222111331313 its reverse (313133111222), we get a palindrome (535244442535).

The spelling of 222111331313 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-one thousand, three hundred thirteen".