200001012201 has 6 divisors (see below), whose sum is σ = 288890350970. Its totient is φ = 133334008128.

The previous prime is 200001012193. The next prime is 200001012203. The reversal of 200001012201 is 102210100002.

It can be written as a sum of positive squares in only one way, i.e., 190061121600 + 9939890601 = 435960^2 + 99699^2 .

It is not a de Polignac number, because 200001012201 - 2³ = 200001012193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22222334689 = 200001012201 / (2 + 0 + 0 + 0 + 0 + 1 + 0 + 1 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200001012203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11111167336 + ... + 11111167353.

Almost surely, 2^200001012201 is an apocalyptic number.

It is an amenable number.

200001012201 is a deficient number, since it is larger than the sum of its proper divisors (88889338769).

200001012201 is a wasteful number, since it uses less digits than its factorization.

200001012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222334695 (or 22222334692 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200001012201 its reverse (102210100002), we get a palindrome (302211112203).

The spelling of 200001012201 in words is "two hundred billion, one million, twelve thousand, two hundred one".