2100010200 has 48 divisors (see below), whose sum is σ = 6510033480. Its totient is φ = 560002560.

The previous prime is 2100010189. The next prime is 2100010223. The reversal of 2100010200 is 20100012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

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, 1749409 + ... + 1750608.

Almost surely, 2^2100010200 is an apocalyptic number.

2100010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100010200 is an abundant number, since it is smaller than the sum of its proper divisors (4410023280).

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

2100010200 is a wasteful number, since it uses less digits than its factorization.

2100010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500036 (or 3500027 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2100010200 is about 45825.8682405473. The cubic root of 2100010200 is about 1280.5812383028.

Adding to 2100010200 its reverse (20100012), we get a palindrome (2120110212).

The spelling of 2100010200 in words is "two billion, one hundred million, ten thousand, two hundred".