1000002100112 has 40 divisors (see below), whose sum is σ = 1947758772960. Its totient is φ = 497359872000.

The previous prime is 1000002100087. The next prime is 1000002100127. The reversal of 1000002100112 is 2110012000001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1000002100112.

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, 2926403 + ... + 3250205.

It is an arithmetic number, because the mean of its divisors is an integer number (48693969324).

Almost surely, 2^{1000002100112} is an apocalyptic number.

It is an amenable number.

1000002100112 is a deficient number, since it is larger than the sum of its proper divisors (947756672848).

1000002100112 is a wasteful number, since it uses less digits than its factorization.

1000002100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324831 (or 324825 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1000002100112 its reverse (2110012000001), we get a palindrome (3110014100113).

The spelling of 1000002100112 in words is "one trillion, two million, one hundred thousand, one hundred twelve".