2002321103021 has 4 divisors (see below), whose sum is σ = 2048886710112. Its totient is φ = 1955755495932.

The previous prime is 2002321103017. The next prime is 2002321103077. The reversal of 2002321103021 is 1203011232002.

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 2002321103021 - 2² = 2002321103017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002321103011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23282803481 + ... + 23282803566.

It is an arithmetic number, because the mean of its divisors is an integer number (512221677528).

Almost surely, 2^{2002321103021} is an apocalyptic number.

It is an amenable number.

2002321103021 is a deficient number, since it is larger than the sum of its proper divisors (46565607091).

2002321103021 is an equidigital number, since it uses as much as digits as its factorization.

2002321103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46565607090.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2002321103021 its reverse (1203011232002), we get a palindrome (3205332335023).

The spelling of 2002321103021 in words is "two trillion, two billion, three hundred twenty-one million, one hundred three thousand, twenty-one".