111110112011 has 4 divisors (see below), whose sum is σ = 111175742832. Its totient is φ = 111044481192.

The previous prime is 111110112007. The next prime is 111110112041. The reversal of 111110112011 is 110211011111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110211011111 = 294659 ⋅374029.

It is a cyclic number.

It is not a de Polignac number, because 111110112011 - 2² = 111110112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110111983 and 111110112001.

It is not an unprimeable number, because it can be changed into a prime (111110112041) 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, 32812871 + ... + 32816256.

It is an arithmetic number, because the mean of its divisors is an integer number (27793935708).

Almost surely, 2^111110112011 is an apocalyptic number.

111110112011 is a deficient number, since it is larger than the sum of its proper divisors (65630821).

111110112011 is an equidigital number, since it uses as much as digits as its factorization.

111110112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65630820.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111110112011 its reverse (110211011111), we get a palindrome (221321123122).

The spelling of 111110112011 in words is "one hundred eleven billion, one hundred ten million, one hundred twelve thousand, eleven".