10003023221 has 8 divisors (see below), whose sum is σ = 10379818944. Its totient is φ = 9632780640.

The previous prime is 10003023209. The next prime is 10003023229. The reversal of 10003023221 is 12232030001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10003023221 - 2¹⁴ = 10003006837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10003023196 and 10003023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003023229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635176 + ... + 1641281.

It is an arithmetic number, because the mean of its divisors is an integer number (1297477368).

Almost surely, 2^10003023221 is an apocalyptic number.

It is an amenable number.

10003023221 is a deficient number, since it is larger than the sum of its proper divisors (376795723).

10003023221 is an equidigital number, since it uses as much as digits as its factorization.

10003023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276571.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10003023221 its reverse (12232030001), we get a palindrome (22235053222).

The spelling of 10003023221 in words is "ten billion, three million, twenty-three thousand, two hundred twenty-one".