2003110221 has 16 divisors (see below), whose sum is σ = 3231909504. Its totient is φ = 1077302784.

The previous prime is 2003110217. The next prime is 2003110313. The reversal of 2003110221 is 1220113002.

It is not a de Polignac number, because 2003110221 - 2² = 2003110217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003110197 and 2003110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003110201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2805120 + ... + 2805833.

It is an arithmetic number, because the mean of its divisors is an integer number (201994344).

Almost surely, 2^2003110221 is an apocalyptic number.

2003110221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2003110221 is a deficient number, since it is larger than the sum of its proper divisors (1228799283).

2003110221 is a wasteful number, since it uses less digits than its factorization.

2003110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610980.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2003110221 is about 44756.1193693108. The cubic root of 2003110221 is about 1260.5738171213.

Adding to 2003110221 its reverse (1220113002), we get a palindrome (3223223223).

The spelling of 2003110221 in words is "two billion, three million, one hundred ten thousand, two hundred twenty-one".