2112100002112 has 14 divisors (see below), whose sum is σ = 4191198441818. Its totient is φ = 1056050001024.

The previous prime is 2112100002107. The next prime is 2112100002127. The reversal of 2112100002112 is 2112000012112.

It can be written as a sum of positive squares in only one way, i.e., 2112092516416 + 7485696 = 1453304^2 + 2736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2112100002092 and 2112100002101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16500781203 + ... + 16500781330.

Almost surely, 2^{2112100002112} is an apocalyptic number.

It is an amenable number.

2112100002112 is a deficient number, since it is larger than the sum of its proper divisors (2079098439706).

2112100002112 is an equidigital number, since it uses as much as digits as its factorization.

2112100002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33001562545 (or 33001562535 counting only the distinct ones).

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

Adding to 2112100002112 its reverse (2112000012112), we get a palindrome (4224100014224).

It can be divided in two parts, 211210000 and 2112, that added together give a palindrome (211212112).

The spelling of 2112100002112 in words is "two trillion, one hundred twelve billion, one hundred million, two thousand, one hundred twelve".