104403010021 has 2 divisors, whose sum is σ = 104403010022. Its totient is φ = 104403010020.

The previous prime is 104403009967. The next prime is 104403010043. The reversal of 104403010021 is 120010304401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103368680100 + 1034329921 = 321510^2 + 32161^2 .

It is a cyclic number.

It is not a de Polignac number, because 104403010021 - 2¹⁵ = 104402977253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104403009977 and 104403010004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104403010321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52201505010 + 52201505011.

It is an arithmetic number, because the mean of its divisors is an integer number (52201505011).

Almost surely, 2^104403010021 is an apocalyptic number.

It is an amenable number.

104403010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

104403010021 is an equidigital number, since it uses as much as digits as its factorization.

104403010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 104403010021 its reverse (120010304401), we get a palindrome (224413314422).

The spelling of 104403010021 in words is "one hundred four billion, four hundred three million, ten thousand, twenty-one".