10303303030121 has 2 divisors, whose sum is σ = 10303303030122. Its totient is φ = 10303303030120.

The previous prime is 10303303030117. The next prime is 10303303030201. The reversal of 10303303030121 is 12103030330301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8802727029721 + 1500576000400 = 2966939^2 + 1224980^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303303030121 - 2² = 10303303030117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10303303030093 and 10303303030102.

It is not a weakly prime, because it can be changed into another prime (10303303030021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151651515060 + 5151651515061.

It is an arithmetic number, because the mean of its divisors is an integer number (5151651515061).

Almost surely, 2^{10303303030121} is an apocalyptic number.

It is an amenable number.

10303303030121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10303303030121 is an equidigital number, since it uses as much as digits as its factorization.

10303303030121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 10303303030121 its reverse (12103030330301), we get a palindrome (22406333360422).

The spelling of 10303303030121 in words is "ten trillion, three hundred three billion, three hundred three million, thirty thousand, one hundred twenty-one".