2003000310221 has 4 divisors (see below), whose sum is σ = 2108421379200. Its totient is φ = 1897579241244.

The previous prime is 2003000310151. The next prime is 2003000310239. The reversal of 2003000310221 is 1220130003002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2003000310221 - 2²² = 2002996115917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003000310196 and 2003000310205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003000310281) 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 3 ways as a sum of consecutive naturals, for example, 52710534461 + ... + 52710534498.

It is an arithmetic number, because the mean of its divisors is an integer number (527105344800).

Almost surely, 2^{2003000310221} is an apocalyptic number.

It is an amenable number.

2003000310221 is a deficient number, since it is larger than the sum of its proper divisors (105421068979).

2003000310221 is a wasteful number, since it uses less digits than its factorization.

2003000310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105421068978.

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

Adding to 2003000310221 its reverse (1220130003002), we get a palindrome (3223130313223).

The spelling of 2003000310221 in words is "two trillion, three billion, three hundred ten thousand, two hundred twenty-one".