2002103321 has 16 divisors (see below), whose sum is σ = 2155714560. Its totient is φ = 1853444880.

The previous prime is 2002103309. The next prime is 2002103339. The reversal of 2002103321 is 1233012002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2002103321 - 2¹⁴ = 2002086937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002103296 and 2002103305.

It is not an unprimeable number, because it can be changed into a prime (2002103351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 737156 + ... + 739866.

It is an arithmetic number, because the mean of its divisors is an integer number (134732160).

Almost surely, 2^2002103321 is an apocalyptic number.

It is an amenable number.

2002103321 is a deficient number, since it is larger than the sum of its proper divisors (153611239).

2002103321 is a wasteful number, since it uses less digits than its factorization.

2002103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

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

The square root of 2002103321 is about 44744.8692142462. The cubic root of 2002103321 is about 1260.3625648902.

Adding to 2002103321 its reverse (1233012002), we get a palindrome (3235115323).

The spelling of 2002103321 in words is "two billion, two million, one hundred three thousand, three hundred twenty-one".