112100110121 has 4 divisors (see below), whose sum is σ = 112217739732. Its totient is φ = 111982480512.

The previous prime is 112100110117. The next prime is 112100110139. The reversal of 112100110121 is 121011001211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87578116096 + 24521994025 = 295936^2 + 156595^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100110121 - 2² = 112100110117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112100110721) 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, 58813376 + ... + 58815281.

It is an arithmetic number, because the mean of its divisors is an integer number (28054434933).

Almost surely, 2^112100110121 is an apocalyptic number.

It is an amenable number.

112100110121 is a deficient number, since it is larger than the sum of its proper divisors (117629611).

112100110121 is an equidigital number, since it uses as much as digits as its factorization.

112100110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117629610.

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

Adding to 112100110121 its reverse (121011001211), we get a palindrome (233111111332).

The spelling of 112100110121 in words is "one hundred twelve billion, one hundred million, one hundred ten thousand, one hundred twenty-one".