10030403321021 has 2 divisors, whose sum is σ = 10030403321022. Its totient is φ = 10030403321020.

The previous prime is 10030403320979. The next prime is 10030403321063. The reversal of 10030403321021 is 12012330403001.

It is a balanced prime because it is at equal distance from previous prime (10030403320979) and next prime (10030403321063).

It can be written as a sum of positive squares in only one way, i.e., 6493634124121 + 3536769196900 = 2548261^2 + 1880630^2 .

It is a cyclic number.

It is not a de Polignac number, because 10030403321021 - 2⁶ = 10030403320957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10030403320984 and 10030403321002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10030403329021) 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, 5015201660510 + 5015201660511.

It is an arithmetic number, because the mean of its divisors is an integer number (5015201660511).

Almost surely, 2^{10030403321021} is an apocalyptic number.

It is an amenable number.

10030403321021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10030403321021 is an equidigital number, since it uses as much as digits as its factorization.

10030403321021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10030403321021 its reverse (12012330403001), we get a palindrome (22042733724022).

The spelling of 10030403321021 in words is "ten trillion, thirty billion, four hundred three million, three hundred twenty-one thousand, twenty-one".