112012002121 has 4 divisors (see below), whose sum is σ = 115625292544. Its totient is φ = 108398711700.

The previous prime is 112012002107. The next prime is 112012002139. The reversal of 112012002121 is 121200210211.

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 112012002121 - 2²⁷ = 111877784393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112012002161) 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, 1806645165 + ... + 1806645226.

It is an arithmetic number, because the mean of its divisors is an integer number (28906323136).

Almost surely, 2^112012002121 is an apocalyptic number.

It is an amenable number.

112012002121 is a deficient number, since it is larger than the sum of its proper divisors (3613290423).

112012002121 is an equidigital number, since it uses as much as digits as its factorization.

112012002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613290422.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112012002121 its reverse (121200210211), we get a palindrome (233212212332).

The spelling of 112012002121 in words is "one hundred twelve billion, twelve million, two thousand, one hundred twenty-one".