2100000000112 has 80 divisors (see below), whose sum is σ = 4688729616384. Its totient is φ = 892513440000.

The previous prime is 2100000000101. The next prime is 2100000000127. The reversal of 2100000000112 is 2110000000012.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 2100000000095 and 2100000000104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21533862 + ... + 21631162.

Almost surely, 2^{2100000000112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100000000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344364808192).

2100000000112 is an abundant number, since it is smaller than the sum of its proper divisors (2588729616272).

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

2100000000112 is a wasteful number, since it uses less digits than its factorization.

2100000000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98918 (or 98912 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2100000000112 its reverse (2110000000012), we get a palindrome (4210000000124).

The spelling of 2100000000112 in words is "two trillion, one hundred billion, one hundred twelve", and thus it is an aban number.