10022210220221 has 2 divisors, whose sum is σ = 10022210220222. Its totient is φ = 10022210220220.

The previous prime is 10022210220199. The next prime is 10022210220223. The reversal of 10022210220221 is 12202201222001.

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., 7482604639225 + 2539605580996 = 2735435^2 + 1593614^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022210220221 - 2⁶ = 10022210220157 is a prime.

Together with 10022210220223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10022210220221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10022210220223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011105110110 + 5011105110111.

It is an arithmetic number, because the mean of its divisors is an integer number (5011105110111).

Almost surely, 2^{10022210220221} is an apocalyptic number.

It is an amenable number.

10022210220221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10022210220221 is an equidigital number, since it uses as much as digits as its factorization.

10022210220221 is an evil number, because the sum of its binary digits is even.

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

Adding to 10022210220221 its reverse (12202201222001), we get a palindrome (22224411442222).

The spelling of 10022210220221 in words is "ten trillion, twenty-two billion, two hundred ten million, two hundred twenty thousand, two hundred twenty-one".