112111121111 has 6 divisors (see below), whose sum is σ = 123229579536. Its totient is φ = 101919200900.

The previous prime is 112111121077. The next prime is 112111121113. The reversal of 112111121111 is 111121111211.

It is not a de Polignac number, because 112111121111 - 2¹⁸ = 112110858967 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 (112111121113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463268975 + ... + 463269216.

It is an arithmetic number, because the mean of its divisors is an integer number (20538263256).

Almost surely, 2^112111121111 is an apocalyptic number.

112111121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112111121111 is a deficient number, since it is larger than the sum of its proper divisors (11118458425).

112111121111 is an equidigital number, since it uses as much as digits as its factorization.

112111121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926538213 (or 926538202 counting only the distinct ones).

The product of its digits is 4, while the sum is 14.

Adding to 112111121111 its reverse (111121111211), we get a palindrome (223232232322).

It can be divided in two parts, 1121111211 and 11, that multiplied together give a palindrome (12332223321).

The spelling of 112111121111 in words is "one hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, one hundred eleven".