2111113311 has 8 divisors (see below), whose sum is σ = 2815224960. Its totient is φ = 1407205272.

The previous prime is 2111113307. The next prime is 2111113321. The reversal of 2111113311 is 1133111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111113311 - 2² = 2111113307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111113321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24795 + ... + 69548.

It is an arithmetic number, because the mean of its divisors is an integer number (351903120).

Almost surely, 2^2111113311 is an apocalyptic number.

2111113311 is a deficient number, since it is larger than the sum of its proper divisors (704111649).

2111113311 is an equidigital number, since it uses as much as digits as its factorization.

2111113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101805.

The product of its digits is 18, while the sum is 15.

The square root of 2111113311 is about 45946.8531131350. The cubic root of 2111113311 is about 1282.8341560189.

Adding to 2111113311 its reverse (1133111112), we get a palindrome (3244224423).

The spelling of 2111113311 in words is "two billion, one hundred eleven million, one hundred thirteen thousand, three hundred eleven".