2112001100200 has 24 divisors (see below), whose sum is σ = 4910402558430. Its totient is φ = 844800440000.

The previous prime is 2112001100191. The next prime is 2112001100213. The reversal of 2112001100200 is 20011002112.

It can be written as a sum of positive squares in 3 ways, for example, as 1747361446884 + 364639653316 = 1321878^2 + 603854^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5280002551 + ... + 5280002950.

Almost surely, 2^{2112001100200} is an apocalyptic number.

2112001100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112001100200 is an abundant number, since it is smaller than the sum of its proper divisors (2798401458230).

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

2112001100200 is a wasteful number, since it uses less digits than its factorization.

2112001100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10560005517 (or 10560005508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2112001100200 its reverse (20011002112), we get a palindrome (2132012102312).

The spelling of 2112001100200 in words is "two trillion, one hundred twelve billion, one million, one hundred thousand, two hundred".