200200220202221 has 2 divisors, whose sum is σ = 200200220202222. Its totient is φ = 200200220202220.

The previous prime is 200200220202211. The next prime is 200200220202239. The reversal of 200200220202221 is 122202022002002.

200200220202221 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., 198623613505321 + 1576606696900 = 14093389^2 + 1255630^2 .

It is a cyclic number.

It is not a de Polignac number, because 200200220202221 - 2¹⁰ = 200200220201197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200200220202221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200200220202211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100110101110 + 100100110101111.

It is an arithmetic number, because the mean of its divisors is an integer number (100100110101111).

Almost surely, 2^{200200220202221} is an apocalyptic number.

It is an amenable number.

200200220202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200220202221 is an equidigital number, since it uses as much as digits as its factorization.

200200220202221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 200200220202221 its reverse (122202022002002), we get a palindrome (322402242204223).

The spelling of 200200220202221 in words is "two hundred trillion, two hundred billion, two hundred twenty million, two hundred two thousand, two hundred twenty-one".