200000000001 has 4 divisors (see below), whose sum is σ = 266666666672. Its totient is φ = 133333333332.

The previous prime is 199999999949. The next prime is 200000000041. The reversal of 200000000001 is 100000000002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200000000001 - 2⁶ = 199999999937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (3), and also a Moran number because the ratio is a prime number: 66666666667 = 200000000001 / (2 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200000000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33333333331 + ... + 33333333336.

It is an arithmetic number, because the mean of its divisors is an integer number (66666666668).

Almost surely, 2^200000000001 is an apocalyptic number.

It is an amenable number.

200000000001 is a deficient number, since it is larger than the sum of its proper divisors (66666666671).

200000000001 is an equidigital number, since it uses as much as digits as its factorization.

200000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66666666670.

The product of its (nonzero) digits is 2, while the sum is 3.

Adding to 200000000001 its reverse (100000000002), we get a palindrome (300000000003).

Subtracting from 200000000001 its reverse (100000000002), we obtain a palindrome (99999999999).

The spelling of 200000000001 in words is "two hundred billion, one", and thus it is an aban number.