112110111121 has 4 divisors (see below), whose sum is σ = 112110844212. Its totient is φ = 112109378032.

The previous prime is 112110110993. The next prime is 112110111163. The reversal of 112110111121 is 121111011211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 76970734096 + 35139377025 = 277436^2 + 187455^2 .

It is a cyclic number.

It is not a de Polignac number, because 112110111121 - 2⁷ = 112110110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112110111521) 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, 40450 + ... + 475243.

It is an arithmetic number, because the mean of its divisors is an integer number (28027711053).

Almost surely, 2^112110111121 is an apocalyptic number.

It is an amenable number.

112110111121 is a deficient number, since it is larger than the sum of its proper divisors (733091).

112110111121 is an equidigital number, since it uses as much as digits as its factorization.

112110111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733090.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112110111121 its reverse (121111011211), we get a palindrome (233221122332).

The spelling of 112110111121 in words is "one hundred twelve billion, one hundred ten million, one hundred eleven thousand, one hundred twenty-one".