302053442221 has 2 divisors, whose sum is σ = 302053442222. Its totient is φ = 302053442220.

The previous prime is 302053442179. The next prime is 302053442291. The reversal of 302053442221 is 122244350203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238857012900 + 63196429321 = 488730^2 + 251389^2 .

It is an emirp because it is prime and its reverse (122244350203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 302053442221 - 2¹³ = 302053434029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 302053442221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302053442291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151026721110 + 151026721111.

It is an arithmetic number, because the mean of its divisors is an integer number (151026721111).

Almost surely, 2^302053442221 is an apocalyptic number.

It is an amenable number.

302053442221 is a deficient number, since it is larger than the sum of its proper divisors (1).

302053442221 is an equidigital number, since it uses as much as digits as its factorization.

302053442221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 302053442221 its reverse (122244350203), we get a palindrome (424297792424).

The spelling of 302053442221 in words is "three hundred two billion, fifty-three million, four hundred forty-two thousand, two hundred twenty-one".