2002030210321 has 4 divisors (see below), whose sum is σ = 2002321930752. Its totient is φ = 2001738489892.

The previous prime is 2002030210307. The next prime is 2002030210331. The reversal of 2002030210321 is 1230120302002.

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 2002030210321 - 2³⁷ = 1864591256849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002030210295 and 2002030210304.

It is not an unprimeable number, because it can be changed into a prime (2002030210331) 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 3 ways as a sum of consecutive naturals, for example, 145849921 + ... + 145863646.

It is an arithmetic number, because the mean of its divisors is an integer number (500580482688).

Almost surely, 2^{2002030210321} is an apocalyptic number.

It is an amenable number.

2002030210321 is a deficient number, since it is larger than the sum of its proper divisors (291720431).

2002030210321 is an equidigital number, since it uses as much as digits as its factorization.

2002030210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291720430.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2002030210321 its reverse (1230120302002), we get a palindrome (3232150512323).

The spelling of 2002030210321 in words is "two trillion, two billion, thirty million, two hundred ten thousand, three hundred twenty-one".