2100110112 has 48 divisors (see below), whose sum is σ = 6125323680. Its totient is φ = 700036416.

The previous prime is 2100110087. The next prime is 2100110119. The reversal of 2100110112 is 2110110012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 = 2100110094 and 2100110103.

It is not an unprimeable number, because it can be changed into a prime (2100110119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214478 + ... + 1216205.

It is an arithmetic number, because the mean of its divisors is an integer number (127610910).

Almost surely, 2^2100110112 is an apocalyptic number.

It is an amenable number.

2100110112 is an abundant number, since it is smaller than the sum of its proper divisors (4025213568).

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

2100110112 is a wasteful number, since it uses less digits than its factorization.

2100110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430702 (or 2430688 counting only the distinct ones).

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

The square root of 2100110112 is about 45826.9583542264. The cubic root of 2100110112 is about 1280.6015466809.

Adding to 2100110112 its reverse (2110110012), we get a palindrome (4210220124).

It can be divided in two parts, 21001 and 10112, that added together give a palindrome (31113).

The spelling of 2100110112 in words is "two billion, one hundred million, one hundred ten thousand, one hundred twelve".