200201102202221 has 2 divisors, whose sum is σ = 200201102202222. Its totient is φ = 200201102202220.

The previous prime is 200201102202197. The next prime is 200201102202281. The reversal of 200201102202221 is 122202201102002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131694674188900 + 68506428013321 = 11475830^2 + 8276861^2 .

It is a cyclic number.

It is not a de Polignac number, because 200201102202221 - 2²⁶ = 200201035093357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200201102202221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200201102202281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100551101110 + 100100551101111.

It is an arithmetic number, because the mean of its divisors is an integer number (100100551101111).

Almost surely, 2^{200201102202221} is an apocalyptic number.

It is an amenable number.

200201102202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201102202221 is an equidigital number, since it uses as much as digits as its factorization.

200201102202221 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 200201102202221 its reverse (122202201102002), we get a palindrome (322403303304223).

The spelling of 200201102202221 in words is "two hundred trillion, two hundred one billion, one hundred two million, two hundred two thousand, two hundred twenty-one".