2003221011103 has 16 divisors (see below), whose sum is σ = 2200115131200. Its totient is φ = 1812507750144.

The previous prime is 2003221011007. The next prime is 2003221011137. The reversal of 2003221011103 is 3011101223002.

It is a de Polignac number, because none of the positive numbers 2^k-2003221011103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003221111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663051 + ... + 2108572.

It is an arithmetic number, because the mean of its divisors is an integer number (137507195700).

Almost surely, 2^{2003221011103} is an apocalyptic number.

2003221011103 is a deficient number, since it is larger than the sum of its proper divisors (196894120097).

2003221011103 is a wasteful number, since it uses less digits than its factorization.

2003221011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772738.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2003221011103 its reverse (3011101223002), we get a palindrome (5014322234105).

The spelling of 2003221011103 in words is "two trillion, three billion, two hundred twenty-one million, eleven thousand, one hundred three".