200202112001 has 4 divisors (see below), whose sum is σ = 200415775812. Its totient is φ = 199988448192.

The previous prime is 200202111983. The next prime is 200202112009. The reversal of 200202112001 is 100211202002.

It is a happy number.

200202112001 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 an emirpimes, since its reverse is a distinct semiprime: 100211202002 = 2 ⋅50105601001.

It can be written as a sum of positive squares in 2 ways, for example, as 61016410225 + 139185701776 = 247015^2 + 373076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200202112009) 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, 106830500 + ... + 106832373.

It is an arithmetic number, because the mean of its divisors is an integer number (50103943953).

Almost surely, 2^200202112001 is an apocalyptic number.

It is an amenable number.

200202112001 is a deficient number, since it is larger than the sum of its proper divisors (213663811).

200202112001 is an equidigital number, since it uses as much as digits as its factorization.

200202112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213663810.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200202112001 its reverse (100211202002), we get a palindrome (300413314003).

Subtracting from 200202112001 its reverse (100211202002), we obtain a palindrome (99990909999).

The spelling of 200202112001 in words is "two hundred billion, two hundred two million, one hundred twelve thousand, one".