10421003303 has 4 divisors (see below), whose sum is σ = 10440266328. Its totient is φ = 10401740280.

The previous prime is 10421003297. The next prime is 10421003353. The reversal of 10421003303 is 30330012401.

It is a happy number.

10421003303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10421003303 - 2⁴ = 10421003287 is a prime.

It is a super-2 number, since 2×10421003303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421003353) 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 in 3 ways as a sum of consecutive naturals, for example, 9630701 + ... + 9631782.

It is an arithmetic number, because the mean of its divisors is an integer number (2610066582).

Almost surely, 2^10421003303 is an apocalyptic number.

10421003303 is a deficient number, since it is larger than the sum of its proper divisors (19263025).

10421003303 is an equidigital number, since it uses as much as digits as its factorization.

10421003303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19263024.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10421003303 its reverse (30330012401), we get a palindrome (40751015704).

The spelling of 10421003303 in words is "ten billion, four hundred twenty-one million, three thousand, three hundred three".