2021333241243 has 8 divisors (see below), whose sum is σ = 2695199390800. Its totient is φ = 1347511292928.

The previous prime is 2021333241227. The next prime is 2021333241247. The reversal of 2021333241243 is 3421423331202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021333241243 - 2⁴ = 2021333241227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021333241243.

It is not an unprimeable number, because it can be changed into a prime (2021333241247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10943458 + ... + 11126631.

It is an arithmetic number, because the mean of its divisors is an integer number (336899923850).

Almost surely, 2^{2021333241243} is an apocalyptic number.

2021333241243 is a deficient number, since it is larger than the sum of its proper divisors (673866149557).

2021333241243 is a wasteful number, since it uses less digits than its factorization.

2021333241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22100621.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2021333241243 its reverse (3421423331202), we get a palindrome (5442756572445).

The spelling of 2021333241243 in words is "two trillion, twenty-one billion, three hundred thirty-three million, two hundred forty-one thousand, two hundred forty-three".