2100112102012 has 12 divisors (see below), whose sum is σ = 3678753974896. Its totient is φ = 1049039537760.

The previous prime is 2100112102009. The next prime is 2100112102027. The reversal of 2100112102012 is 2102012110012.

It is a super-2 number, since 2×2100112102012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100112101983 and 2100112102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254123664 + ... + 254131927.

Almost surely, 2^{2100112102012} is an apocalyptic number.

It is an amenable number.

2100112102012 is a deficient number, since it is larger than the sum of its proper divisors (1578641872884).

2100112102012 is a wasteful number, since it uses less digits than its factorization.

2100112102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508256628 (or 508256626 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100112102012 its reverse (2102012110012), we get a palindrome (4202124212024).

The spelling of 2100112102012 in words is "two trillion, one hundred billion, one hundred twelve million, one hundred two thousand, twelve".