2100387112 has 16 divisors (see below), whose sum is σ = 3977219700. Its totient is φ = 1039795200.

The previous prime is 2100387067. The next prime is 2100387119. The reversal of 2100387112 is 2117830012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1569268996 + 531118116 = 39614^2 + 23046^2 .

It is not an unprimeable number, because it can be changed into a prime (2100387119) 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, 1298937 + ... + 1300552.

Almost surely, 2^2100387112 is an apocalyptic number.

It is an amenable number.

2100387112 is a deficient number, since it is larger than the sum of its proper divisors (1876832588).

2100387112 is a wasteful number, since it uses less digits than its factorization.

2100387112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599596 (or 2599592 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2100387112 is about 45829.9804931226. The cubic root of 2100387112 is about 1280.6578470675.

The spelling of 2100387112 in words is "two billion, one hundred million, three hundred eighty-seven thousand, one hundred twelve".