1113311121113 has 4 divisors (see below), whose sum is σ = 1115447995188. Its totient is φ = 1111174247040.

The previous prime is 1113311121037. The next prime is 1113311121149. The reversal of 1113311121113 is 3111211133111.

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 379638357904 + 733672763209 = 616148^2 + 856547^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113311121113 - 2³⁰ = 1112237379289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113311124113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068436256 + ... + 1068437297.

It is an arithmetic number, because the mean of its divisors is an integer number (278861998797).

Almost surely, 2^{1113311121113} is an apocalyptic number.

It is an amenable number.

1113311121113 is a deficient number, since it is larger than the sum of its proper divisors (2136874075).

1113311121113 is an equidigital number, since it uses as much as digits as its factorization.

1113311121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136874074.

The product of its digits is 54, while the sum is 20.

Adding to 1113311121113 its reverse (3111211133111), we get a palindrome (4224522254224).

The spelling of 1113311121113 in words is "one trillion, one hundred thirteen billion, three hundred eleven million, one hundred twenty-one thousand, one hundred thirteen".