200011200002001 has 6 divisors (see below), whose sum is σ = 288905066669570. Its totient is φ = 133340800001328.

The previous prime is 200011200001999. The next prime is 200011200002071. The reversal of 200011200002001 is 100200002110002.

It can be written as a sum of positive squares in only one way, i.e., 174144577068225 + 25866622933776 = 13196385^2 + 5085924^2 .

It is not a de Polignac number, because 200011200002001 - 2¹ = 200011200001999 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: 22223466666889 = 200011200002001 / (2 + 0 + 0 + 0 + 1 + 1 + 2 + 0 + 0 + 0 + 0 + 2 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200011200002071) 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, 11111733333436 + ... + 11111733333453.

Almost surely, 2^{200011200002001} is an apocalyptic number.

It is an amenable number.

200011200002001 is a deficient number, since it is larger than the sum of its proper divisors (88893866667569).

200011200002001 is a wasteful number, since it uses less digits than its factorization.

200011200002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22223466666895 (or 22223466666892 counting only the distinct ones).

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

Adding to 200011200002001 its reverse (100200002110002), we get a palindrome (300211202112003).

The spelling of 200011200002001 in words is "two hundred trillion, eleven billion, two hundred million, two thousand, one".