2021334304043 has 4 divisors (see below), whose sum is σ = 2021713333248. Its totient is φ = 2020955274840.

The previous prime is 2021334304021. The next prime is 2021334304049. The reversal of 2021334304043 is 3404034331202.

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 2021334304043 - 2¹⁴ = 2021334287659 is a prime.

It is a super-2 number, since 2×2021334304043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021334303997 and 2021334304015.

It is not an unprimeable number, because it can be changed into a prime (2021334304049) 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, 189506603 + ... + 189517268.

It is an arithmetic number, because the mean of its divisors is an integer number (505428333312).

Almost surely, 2^{2021334304043} is an apocalyptic number.

2021334304043 is a deficient number, since it is larger than the sum of its proper divisors (379029205).

2021334304043 is an equidigital number, since it uses as much as digits as its factorization.

2021334304043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379029204.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 2021334304043 its reverse (3404034331202), we get a palindrome (5425368635245).

The spelling of 2021334304043 in words is "two trillion, twenty-one billion, three hundred thirty-four million, three hundred four thousand, forty-three".