1111112111013 has 4 divisors (see below), whose sum is σ = 1481482814688. Its totient is φ = 740741407340.

The previous prime is 1111112111003. The next prime is 1111112111033. The reversal of 1111112111013 is 3101112111111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111112111013 - 2⁵ = 1111112110981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111112110983 and 1111112111001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112111003) 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, 185185351833 + ... + 185185351838.

It is an arithmetic number, because the mean of its divisors is an integer number (370370703672).

Almost surely, 2^{1111112111013} is an apocalyptic number.

It is an amenable number.

1111112111013 is a deficient number, since it is larger than the sum of its proper divisors (370370703675).

1111112111013 is an equidigital number, since it uses as much as digits as its factorization.

1111112111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370370703674.

The product of its (nonzero) digits is 6, while the sum is 15.

Adding to 1111112111013 its reverse (3101112111111), we get a palindrome (4212224222124).

The spelling of 1111112111013 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred eleven thousand, thirteen".