110112010121 has 4 divisors (see below), whose sum is σ = 110224027392. Its totient is φ = 109999992852.

The previous prime is 110112010117. The next prime is 110112010157. The reversal of 110112010121 is 121010211011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121010211011 = 61 ⋅1983773951.

It is a cyclic number.

It is not a de Polignac number, because 110112010121 - 2² = 110112010117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110112010111) 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, 56007161 + ... + 56009126.

It is an arithmetic number, because the mean of its divisors is an integer number (27556006848).

Almost surely, 2^110112010121 is an apocalyptic number.

It is an amenable number.

110112010121 is a deficient number, since it is larger than the sum of its proper divisors (112017271).

110112010121 is an equidigital number, since it uses as much as digits as its factorization.

110112010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112017270.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110112010121 its reverse (121010211011), we get a palindrome (231122221132).

The spelling of 110112010121 in words is "one hundred ten billion, one hundred twelve million, ten thousand, one hundred twenty-one".