10003303320121 has 2 divisors, whose sum is σ = 10003303320122. Its totient is φ = 10003303320120.

The previous prime is 10003303319983. The next prime is 10003303320149. The reversal of 10003303320121 is 12102330330001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6826781321721 + 3176521998400 = 2612811^2 + 1782280^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003303320121 - 2²⁵ = 10003269765689 is a prime.

It is not a weakly prime, because it can be changed into another prime (10003303320821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001651660060 + 5001651660061.

It is an arithmetic number, because the mean of its divisors is an integer number (5001651660061).

Almost surely, 2^{10003303320121} is an apocalyptic number.

It is an amenable number.

10003303320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10003303320121 is an equidigital number, since it uses as much as digits as its factorization.

10003303320121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 10003303320121 its reverse (12102330330001), we get a palindrome (22105633650122).

The spelling of 10003303320121 in words is "ten trillion, three billion, three hundred three million, three hundred twenty thousand, one hundred twenty-one".