2022201210221 has 2 divisors, whose sum is σ = 2022201210222. Its totient is φ = 2022201210220.

The previous prime is 2022201210199. The next prime is 2022201210223. The reversal of 2022201210221 is 1220121022202.

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., 1229905398121 + 792295812100 = 1109011^2 + 890110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2022201210221 is a prime.

Together with 2022201210223, 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 2022201210221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022201210223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011100605110 + 1011100605111.

It is an arithmetic number, because the mean of its divisors is an integer number (1011100605111).

Almost surely, 2^{2022201210221} is an apocalyptic number.

It is an amenable number.

2022201210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022201210221 is an equidigital number, since it uses as much as digits as its factorization.

2022201210221 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 2022201210221 its reverse (1220121022202), we get a palindrome (3242322232423).

The spelling of 2022201210221 in words is "two trillion, twenty-two billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".