2003221103 has 8 divisors (see below), whose sum is σ = 2159307696. Its totient is φ = 1847419200.

The previous prime is 2003221063. The next prime is 2003221111. The reversal of 2003221103 is 3011223002.

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 2003221103 - 2¹⁸ = 2002958959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003221123) 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, 56438 + ... + 84803.

It is an arithmetic number, because the mean of its divisors is an integer number (269913462).

Almost surely, 2^2003221103 is an apocalyptic number.

2003221103 is a deficient number, since it is larger than the sum of its proper divisors (156086593).

2003221103 is a wasteful number, since it uses less digits than its factorization.

2003221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142345.

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

The square root of 2003221103 is about 44757.3580878050. The cubic root of 2003221103 is about 1260.5970763451.

Adding to 2003221103 its reverse (3011223002), we get a palindrome (5014444105).

The spelling of 2003221103 in words is "two billion, three million, two hundred twenty-one thousand, one hundred three".