112120110121 has 4 divisors (see below), whose sum is σ = 112258360144. Its totient is φ = 111981860100.

The previous prime is 112120110073. The next prime is 112120110127. The reversal of 112120110121 is 121011021211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112120110121 - 2¹¹ = 112120108073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120110127) 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, 69123795 + ... + 69125416.

It is an arithmetic number, because the mean of its divisors is an integer number (28064590036).

Almost surely, 2^112120110121 is an apocalyptic number.

It is an amenable number.

112120110121 is a deficient number, since it is larger than the sum of its proper divisors (138250023).

112120110121 is an equidigital number, since it uses as much as digits as its factorization.

112120110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138250022.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112120110121 its reverse (121011021211), we get a palindrome (233131131332).

The spelling of 112120110121 in words is "one hundred twelve billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-one".