2112230987 has 4 divisors (see below), whose sum is σ = 2118318456. Its totient is φ = 2106143520.

The previous prime is 2112230971. The next prime is 2112231001. The reversal of 2112230987 is 7890322112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112230987 - 2⁴ = 2112230971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112230927) 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, 3043214 + ... + 3043907.

It is an arithmetic number, because the mean of its divisors is an integer number (529579614).

Almost surely, 2^2112230987 is an apocalyptic number.

2112230987 is a deficient number, since it is larger than the sum of its proper divisors (6087469).

2112230987 is an equidigital number, since it uses as much as digits as its factorization.

2112230987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087468.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2112230987 is about 45959.0142083139. The cubic root of 2112230987 is about 1283.0605042031.

The spelling of 2112230987 in words is "two billion, one hundred twelve million, two hundred thirty thousand, nine hundred eighty-seven".