2100200001 has 8 divisors (see below), whose sum is σ = 2802550080. Its totient is φ = 1398991632.

The previous prime is 2100199987. The next prime is 2100200051. The reversal of 2100200001 is 1000020012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100200001 - 2⁹ = 2100199489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100200051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281125 + ... + 288498.

It is an arithmetic number, because the mean of its divisors is an integer number (350318760).

Almost surely, 2^2100200001 is an apocalyptic number.

It is an amenable number.

2100200001 is a deficient number, since it is larger than the sum of its proper divisors (702350079).

2100200001 is a wasteful number, since it uses less digits than its factorization.

2100200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570855.

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

The square root of 2100200001 is about 45827.9390874170. The cubic root of 2100200001 is about 1280.6198172071.

Adding to 2100200001 its reverse (1000020012), we get a palindrome (3100220013).

The spelling of 2100200001 in words is "two billion, one hundred million, two hundred thousand, one".