200000001001 has 8 divisors (see below), whose sum is σ = 203340475208. Its totient is φ = 196661520000.

The previous prime is 200000000989. The next prime is 200000001107. The reversal of 200000001001 is 100100000002.

It can be written as a sum of positive squares in 4 ways, for example, as 16524845401 + 183475155600 = 128549^2 + 428340^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 200000001001 - 2¹¹ = 199999998953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200000002001) 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, 295260 + ... + 697981.

It is an arithmetic number, because the mean of its divisors is an integer number (25417559401).

Almost surely, 2^200000001001 is an apocalyptic number.

It is an amenable number.

200000001001 is a deficient number, since it is larger than the sum of its proper divisors (3340474207).

200000001001 is an equidigital number, since it uses as much as digits as its factorization.

200000001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996603.

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 200000001001 its reverse (100100000002), we get a palindrome (300100001003).

Subtracting from 200000001001 its reverse (100100000002), we obtain a palindrome (99900000999).

The spelling of 200000001001 in words is "two hundred billion, one thousand, one".