1111013120311 has 4 divisors (see below), whose sum is σ = 1111032108232. Its totient is φ = 1110994132392.

The previous prime is 1111013120299. The next prime is 1111013120333. The reversal of 1111013120311 is 1130213101111.

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 1111013120311 - 2¹⁵ = 1111013087543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111013120011) 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, 9405921 + ... + 9523306.

It is an arithmetic number, because the mean of its divisors is an integer number (277758027058).

Almost surely, 2^{1111013120311} is an apocalyptic number.

1111013120311 is a deficient number, since it is larger than the sum of its proper divisors (18987921).

1111013120311 is an equidigital number, since it uses as much as digits as its factorization.

1111013120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987920.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1111013120311 its reverse (1130213101111), we get a palindrome (2241226221422).

The spelling of 1111013120311 in words is "one trillion, one hundred eleven billion, thirteen million, one hundred twenty thousand, three hundred eleven".