2100110120200 has 48 divisors (see below), whose sum is σ = 4883909323860. Its totient is φ = 839845632000.

The previous prime is 2100110120137. The next prime is 2100110120243. The reversal of 2100110120200 is 20210110012.

It can be written as a sum of positive squares in 6 ways, for example, as 1330465357764 + 769644762436 = 1153458^2 + 877294^2 .

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 11 ways as a sum of consecutive naturals, for example, 389781 + ... + 2086180.

Almost surely, 2^{2100110120200} is an apocalyptic number.

2100110120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100110120200 is an abundant number, since it is smaller than the sum of its proper divisors (2783799203660).

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

2100110120200 is a wasteful number, since it uses less digits than its factorization.

2100110120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480218 (or 2480209 counting only the distinct ones).

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

Adding to 2100110120200 its reverse (20210110012), we get a palindrome (2120320230212).

The spelling of 2100110120200 in words is "two trillion, one hundred billion, one hundred ten million, one hundred twenty thousand, two hundred".