11112110031311 has 4 divisors (see below), whose sum is σ = 11155347813792. Its totient is φ = 11068872248832.

The previous prime is 11112110031307. The next prime is 11112110031383. The reversal of 11112110031311 is 11313001121111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11112110031311 - 2² = 11112110031307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11112110031311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112110231311) 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, 21618890855 + ... + 21618891368.

It is an arithmetic number, because the mean of its divisors is an integer number (2788836953448).

Almost surely, 2^{11112110031311} is an apocalyptic number.

11112110031311 is a deficient number, since it is larger than the sum of its proper divisors (43237782481).

11112110031311 is an equidigital number, since it uses as much as digits as its factorization.

11112110031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43237782480.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 11112110031311 its reverse (11313001121111), we get a palindrome (22425111152422).

The spelling of 11112110031311 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, thirty-one thousand, three hundred eleven".