2112230140 has 24 divisors (see below), whose sum is σ = 4440497040. Its totient is φ = 843975168.

The previous prime is 2112230117. The next prime is 2112230177. The reversal of 2112230140 is 410322112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38262 + ... + 75421.

It is an arithmetic number, because the mean of its divisors is an integer number (185020710).

Almost surely, 2^2112230140 is an apocalyptic number.

2112230140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112230140 is an abundant number, since it is smaller than the sum of its proper divisors (2328266900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112230140 is a wasteful number, since it uses less digits than its factorization.

2112230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114621 (or 114619 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2112230140 is about 45959.0049935810. The cubic root of 2112230140 is about 1283.0603327016.

Adding to 2112230140 its reverse (410322112), we get a palindrome (2522552252).

The spelling of 2112230140 in words is "two billion, one hundred twelve million, two hundred thirty thousand, one hundred forty".