200112222221 has 2 divisors, whose sum is σ = 200112222222. Its totient is φ = 200112222220.

The previous prime is 200112222209. The next prime is 200112222241. The reversal of 200112222221 is 122222211002.

It is a happy number.

200112222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199317602500 + 794619721 = 446450^2 + 28189^2 .

It is a cyclic number.

It is not a de Polignac number, because 200112222221 - 2¹⁴ = 200112205837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200112222221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200112222241) 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 as a sum of consecutive naturals, namely, 100056111110 + 100056111111.

It is an arithmetic number, because the mean of its divisors is an integer number (100056111111).

Almost surely, 2^200112222221 is an apocalyptic number.

It is an amenable number.

200112222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200112222221 is an equidigital number, since it uses as much as digits as its factorization.

200112222221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200112222221 its reverse (122222211002), we get a palindrome (322334433223).

The spelling of 200112222221 in words is "two hundred billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-one".