200201112001 has 4 divisors (see below), whose sum is σ = 218401213104. Its totient is φ = 182001010900.

The previous prime is 200201111977. The next prime is 200201112077. The reversal of 200201112001 is 100211102002.

200201112001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200201112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200201112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9100050535 + ... + 9100050556.

It is an arithmetic number, because the mean of its divisors is an integer number (54600303276).

Almost surely, 2^200201112001 is an apocalyptic number.

It is an amenable number.

200201112001 is a deficient number, since it is larger than the sum of its proper divisors (18200101103).

200201112001 is a wasteful number, since it uses less digits than its factorization.

200201112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200101102.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200201112001 its reverse (100211102002), we get a palindrome (300412214003).

Subtracting from 200201112001 its reverse (100211102002), we obtain a palindrome (99990009999).

The spelling of 200201112001 in words is "two hundred billion, two hundred one million, one hundred twelve thousand, one".