200200112221 has 2 divisors, whose sum is σ = 200200112222. Its totient is φ = 200200112220.

The previous prime is 200200112197. The next prime is 200200112237. The reversal of 200200112221 is 122211002002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190122160900 + 10077951321 = 436030^2 + 100389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200200112221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200200112921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100056110 + 100100056111.

It is an arithmetic number, because the mean of its divisors is an integer number (100100056111).

Almost surely, 2^200200112221 is an apocalyptic number.

It is an amenable number.

200200112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200112221 is an equidigital number, since it uses as much as digits as its factorization.

200200112221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200200112221 its reverse (122211002002), we get a palindrome (322411114223).

The spelling of 200200112221 in words is "two hundred billion, two hundred million, one hundred twelve thousand, two hundred twenty-one".