202212121103173 has 2 divisors, whose sum is σ = 202212121103174. Its totient is φ = 202212121103172.

The previous prime is 202212121102997. The next prime is 202212121103233. The reversal of 202212121103173 is 371301121212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143991528124609 + 58220592978564 = 11999647^2 + 7630242^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212121103173 - 2⁹ = 202212121102661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202212121173173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106060551586 + 101106060551587.

It is an arithmetic number, because the mean of its divisors is an integer number (101106060551587).

Almost surely, 2^{202212121103173} is an apocalyptic number.

It is an amenable number.

202212121103173 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212121103173 is an equidigital number, since it uses as much as digits as its factorization.

202212121103173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 202212121103173 its reverse (371301121212202), we get a palindrome (573513242315375).

The spelling of 202212121103173 in words is "two hundred two trillion, two hundred twelve billion, one hundred twenty-one million, one hundred three thousand, one hundred seventy-three".