220103121317 has 2 divisors, whose sum is σ = 220103121318. Its totient is φ = 220103121316.

The previous prime is 220103121289. The next prime is 220103121341. The reversal of 220103121317 is 713121301022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178786054561 + 41317066756 = 422831^2 + 203266^2 .

It is a cyclic number.

It is not a de Polignac number, because 220103121317 - 2³⁰ = 219029379493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220103121292 and 220103121301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220103121347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051560658 + 110051560659.

It is an arithmetic number, because the mean of its divisors is an integer number (110051560659).

Almost surely, 2^220103121317 is an apocalyptic number.

It is an amenable number.

220103121317 is a deficient number, since it is larger than the sum of its proper divisors (1).

220103121317 is an equidigital number, since it uses as much as digits as its factorization.

220103121317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 220103121317 its reverse (713121301022), we get a palindrome (933224422339).

The spelling of 220103121317 in words is "two hundred twenty billion, one hundred three million, one hundred twenty-one thousand, three hundred seventeen".