111320313211 has 2 divisors, whose sum is σ = 111320313212. Its totient is φ = 111320313210.

The previous prime is 111320313161. The next prime is 111320313229. The reversal of 111320313211 is 112313023111.

It is a strong prime.

It is an emirp because it is prime and its reverse (112313023111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111320313211 - 2¹⁵ = 111320280443 is a prime.

It is a super-2 number, since 2×111320313211² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111320313281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660156605 + 55660156606.

It is an arithmetic number, because the mean of its divisors is an integer number (55660156606).

Almost surely, 2^111320313211 is an apocalyptic number.

111320313211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320313211 is an equidigital number, since it uses as much as digits as its factorization.

111320313211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111320313211 its reverse (112313023111), we get a palindrome (223633336322).

The spelling of 111320313211 in words is "one hundred eleven billion, three hundred twenty million, three hundred thirteen thousand, two hundred eleven".