2121330022003 has 4 divisors (see below), whose sum is σ = 2121550018168. Its totient is φ = 2121110025840.

The previous prime is 2121330021983. The next prime is 2121330022027. The reversal of 2121330022003 is 3002200331212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2121330022003 - 2⁵ = 2121330021971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121330022073) 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, 109983618 + ... + 110002903.

It is an arithmetic number, because the mean of its divisors is an integer number (530387504542).

Almost surely, 2^{2121330022003} is an apocalyptic number.

2121330022003 is a deficient number, since it is larger than the sum of its proper divisors (219996165).

2121330022003 is an equidigital number, since it uses as much as digits as its factorization.

2121330022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219996164.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2121330022003 its reverse (3002200331212), we get a palindrome (5123530353215).

The spelling of 2121330022003 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, twenty-two thousand, three".