2100112110 has 40 divisors (see below), whose sum is σ = 5646970296. Its totient is φ = 560029680.

The previous prime is 2100112099. The next prime is 2100112117. The reversal of 2100112110 is 112110012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2100112092 and 2100112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100112117) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1295556 + ... + 1297175.

Almost surely, 2^2100112110 is an apocalyptic number.

2100112110 is an abundant number, since it is smaller than the sum of its proper divisors (3546858186).

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

2100112110 is a wasteful number, since it uses less digits than its factorization.

2100112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592750 (or 2592741 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2100112110 is about 45826.9801536169. The cubic root of 2100112110 is about 1280.6019527931.

Adding to 2100112110 its reverse (112110012), we get a palindrome (2212222122).

The spelling of 2100112110 in words is "two billion, one hundred million, one hundred twelve thousand, one hundred ten".