112000121 has 4 divisors (see below), whose sum is σ = 112626000. Its totient is φ = 111374244.

The previous prime is 112000111. The next prime is 112000123. The reversal of 112000121 is 121000211.

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 a de Polignac number, because none of the positive numbers 2^k-112000121 is a prime.

It is a super-3 number, since 3×112000121³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112000099 and 112000108.

It is not an unprimeable number, because it can be changed into a prime (112000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312671 + ... + 313028.

It is an arithmetic number, because the mean of its divisors is an integer number (28156500).

Almost surely, 2^112000121 is an apocalyptic number.

It is an amenable number.

112000121 is a deficient number, since it is larger than the sum of its proper divisors (625879).

112000121 is an equidigital number, since it uses as much as digits as its factorization.

112000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625878.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112000121 is about 10583.0109609695. The cubic root of 112000121 is about 482.0286264226.

Adding to 112000121 its reverse (121000211), we get a palindrome (233000332).

The spelling of 112000121 in words is "one hundred twelve million, one hundred twenty-one", and thus it is an aban number.