10021321039 has 2 divisors, whose sum is σ = 10021321040. Its totient is φ = 10021321038.

The previous prime is 10021321001. The next prime is 10021321043. The reversal of 10021321039 is 93012312001.

10021321039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021321039 - 2⁹ = 10021320527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021321339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010660519 + 5010660520.

It is an arithmetic number, because the mean of its divisors is an integer number (5010660520).

Almost surely, 2^10021321039 is an apocalyptic number.

10021321039 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021321039 is an equidigital number, since it uses as much as digits as its factorization.

10021321039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10021321039 in words is "ten billion, twenty-one million, three hundred twenty-one thousand, thirty-nine".