1003003221203 has 4 divisors (see below), whose sum is σ = 1005062776560. Its totient is φ = 1000943665848.

The previous prime is 1003003221163. The next prime is 1003003221239. The reversal of 1003003221203 is 3021223003001.

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 1003003221203 - 2⁶ = 1003003221139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003093221203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029776948 + ... + 1029777921.

It is an arithmetic number, because the mean of its divisors is an integer number (251265694140).

Almost surely, 2^{1003003221203} is an apocalyptic number.

1003003221203 is a deficient number, since it is larger than the sum of its proper divisors (2059555357).

1003003221203 is an equidigital number, since it uses as much as digits as its factorization.

1003003221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059555356.

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

Adding to 1003003221203 its reverse (3021223003001), we get a palindrome (4024226224204).

The spelling of 1003003221203 in words is "one trillion, three billion, three million, two hundred twenty-one thousand, two hundred three".