111322122313 has 4 divisors (see below), whose sum is σ = 111755282580. Its totient is φ = 110888962048.

The previous prime is 111322122281. The next prime is 111322122323. The reversal of 111322122313 is 313221223111.

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 61032714304 + 50289408009 = 247048^2 + 224253^2 .

It is a cyclic number.

It is not a de Polignac number, because 111322122313 - 2⁵ = 111322122281 is a prime.

It is a super-2 number, since 2×111322122313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111322122323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216579748 + ... + 216580261.

It is an arithmetic number, because the mean of its divisors is an integer number (27938820645).

Almost surely, 2^111322122313 is an apocalyptic number.

It is an amenable number.

111322122313 is a deficient number, since it is larger than the sum of its proper divisors (433160267).

111322122313 is an equidigital number, since it uses as much as digits as its factorization.

111322122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433160266.

The product of its digits is 432, while the sum is 22.

Adding to 111322122313 its reverse (313221223111), we get a palindrome (424543345424).

The spelling of 111322122313 in words is "one hundred eleven billion, three hundred twenty-two million, one hundred twenty-two thousand, three hundred thirteen".