2100120112 has 20 divisors (see below), whose sum is σ = 4078944040. Its totient is φ = 1047489408.

The previous prime is 2100120107. The next prime is 2100120149. The reversal of 2100120112 is 2110210012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153918 + ... + 167005.

It is an arithmetic number, because the mean of its divisors is an integer number (203947202).

Almost surely, 2^2100120112 is an apocalyptic number.

It is an amenable number.

2100120112 is a deficient number, since it is larger than the sum of its proper divisors (1978823928).

2100120112 is a wasteful number, since it uses less digits than its factorization.

2100120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321340 (or 321334 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2100120112 is about 45827.0674601812. The cubic root of 2100120112 is about 1280.6035792720.

Adding to 2100120112 its reverse (2110210012), we get a palindrome (4210330124).

The spelling of 2100120112 in words is "two billion, one hundred million, one hundred twenty thousand, one hundred twelve".