200011001 has 4 divisors (see below), whose sum is σ = 211776372. Its totient is φ = 188245632.

The previous prime is 200010983. The next prime is 200011033. The reversal of 200011001 is 100110002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102495376 + 97515625 = 10124^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011001 - 2¹⁰ = 200009977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200011061) 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, 5882660 + ... + 5882693.

It is an arithmetic number, because the mean of its divisors is an integer number (52944093).

Almost surely, 2^200011001 is an apocalyptic number.

It is an amenable number.

200011001 is a deficient number, since it is larger than the sum of its proper divisors (11765371).

200011001 is a wasteful number, since it uses less digits than its factorization.

200011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11765370.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 200011001 is about 14142.5245624676. The cubic root of 200011001 is about 584.8142698190.

Adding to 200011001 its reverse (100110002), we get a palindrome (300121003).

Subtracting from 200011001 its reverse (100110002), we obtain a palindrome (99900999).

The spelling of 200011001 in words is "two hundred million, eleven thousand, one".