202210200102221 has 2 divisors, whose sum is σ = 202210200102222. Its totient is φ = 202210200102220.

The previous prime is 202210200102149. The next prime is 202210200102329. The reversal of 202210200102221 is 122201002012202.

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., 161413493029321 + 40796707072900 = 12704861^2 + 6387230^2 .

It is a cyclic number.

It is not a de Polignac number, because 202210200102221 - 2²⁶ = 202210132993357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202210200102221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202210200104221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105100051110 + 101105100051111.

It is an arithmetic number, because the mean of its divisors is an integer number (101105100051111).

Almost surely, 2^{202210200102221} is an apocalyptic number.

It is an amenable number.

202210200102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

202210200102221 is an equidigital number, since it uses as much as digits as its factorization.

202210200102221 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 202210200102221 its reverse (122201002012202), we get a palindrome (324411202114423).

The spelling of 202210200102221 in words is "two hundred two trillion, two hundred ten billion, two hundred million, one hundred two thousand, two hundred twenty-one".