2003221331103 has 64 divisors (see below), whose sum is σ = 2922165043200. Its totient is φ = 1216394133120.

The previous prime is 2003221331077. The next prime is 2003221331107. The reversal of 2003221331103 is 3011331223002.

It is not a de Polignac number, because 2003221331103 - 2⁶ = 2003221331039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2003221331103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003221331107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 262851633 + ... + 262859253.

It is an arithmetic number, because the mean of its divisors is an integer number (45658828800).

Almost surely, 2^{2003221331103} is an apocalyptic number.

2003221331103 is a deficient number, since it is larger than the sum of its proper divisors (918943712097).

2003221331103 is a wasteful number, since it uses less digits than its factorization.

2003221331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9412.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2003221331103 its reverse (3011331223002), we get a palindrome (5014552554105).

The spelling of 2003221331103 in words is "two trillion, three billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred three".