220042104122317 has 2 divisors, whose sum is σ = 220042104122318. Its totient is φ = 220042104122316.

The previous prime is 220042104122279. The next prime is 220042104122377. The reversal of 220042104122317 is 713221401240022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197384685001956 + 22657419120361 = 14049366^2 + 4759981^2 .

It is a cyclic number.

It is not a de Polignac number, because 220042104122317 - 2³¹ = 220039956638669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220042104122377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110021052061158 + 110021052061159.

It is an arithmetic number, because the mean of its divisors is an integer number (110021052061159).

Almost surely, 2^{220042104122317} is an apocalyptic number.

It is an amenable number.

220042104122317 is a deficient number, since it is larger than the sum of its proper divisors (1).

220042104122317 is an equidigital number, since it uses as much as digits as its factorization.

220042104122317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 220042104122317 its reverse (713221401240022), we get a palindrome (933263505362339).

The spelling of 220042104122317 in words is "two hundred twenty trillion, forty-two billion, one hundred four million, one hundred twenty-two thousand, three hundred seventeen".