2003221221113 has 24 divisors (see below), whose sum is σ = 2462373953280. Its totient is φ = 1621602702720.

The previous prime is 2003221221083. The next prime is 2003221221149. The reversal of 2003221221113 is 3111221223002.

It is not a de Polignac number, because 2003221221113 - 2²⁶ = 2003154112249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003221221163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11160848 + ... + 11338913.

It is an arithmetic number, because the mean of its divisors is an integer number (102598914720).

Almost surely, 2^{2003221221113} is an apocalyptic number.

2003221221113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2003221221113 is a deficient number, since it is larger than the sum of its proper divisors (459152732167).

2003221221113 is a wasteful number, since it uses less digits than its factorization.

2003221221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22499877 (or 22499870 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2003221221113 its reverse (3111221223002), we get a palindrome (5114442444115).

The spelling of 2003221221113 in words is "two trillion, three billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirteen".