2102640112 has 40 divisors (see below), whose sum is σ = 4149488880. Its totient is φ = 1031861760.

The previous prime is 2102640083. The next prime is 2102640139. The reversal of 2102640112 is 2110462012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102640112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773668 + ... + 776380.

It is an arithmetic number, because the mean of its divisors is an integer number (103737222).

Almost surely, 2^2102640112 is an apocalyptic number.

It is an amenable number.

2102640112 is a deficient number, since it is larger than the sum of its proper divisors (2046848768).

2102640112 is a wasteful number, since it uses less digits than its factorization.

2102640112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2102640112 is about 45854.5538850832. The cubic root of 2102640112 is about 1281.1155866704.

The spelling of 2102640112 in words is "two billion, one hundred two million, six hundred forty thousand, one hundred twelve".