202212222225121 has 2 divisors, whose sum is σ = 202212222225122. Its totient is φ = 202212222225120.

The previous prime is 202212222225119. The next prime is 202212222225157. The reversal of 202212222225121 is 121522222212202.

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., 107124156006400 + 95088066218721 = 10350080^2 + 9751311^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212222225121 - 2¹ = 202212222225119 is a prime.

Together with 202212222225119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 202212222225121.

It is not a weakly prime, because it can be changed into another prime (202212222225161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106111112560 + 101106111112561.

It is an arithmetic number, because the mean of its divisors is an integer number (101106111112561).

Almost surely, 2^{202212222225121} is an apocalyptic number.

It is an amenable number.

202212222225121 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212222225121 is an equidigital number, since it uses as much as digits as its factorization.

202212222225121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 202212222225121 its reverse (121522222212202), we get a palindrome (323734444437323).

The spelling of 202212222225121 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-five thousand, one hundred twenty-one".