2021333443109 has 8 divisors (see below), whose sum is σ = 2022977640600. Its totient is φ = 2019689819136.

The previous prime is 2021333443093. The next prime is 2021333443111. The reversal of 2021333443109 is 9013443331202.

It can be written as a sum of positive squares in 4 ways, for example, as 42871773025 + 1978461670084 = 207055^2 + 1406578^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2021333443109 - 2⁴ = 2021333443093 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 (2021333440109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7054607 + ... + 7335539.

It is an arithmetic number, because the mean of its divisors is an integer number (252872205075).

Almost surely, 2^{2021333443109} is an apocalyptic number.

It is an amenable number.

2021333443109 is a deficient number, since it is larger than the sum of its proper divisors (1644197491).

2021333443109 is a wasteful number, since it uses less digits than its factorization.

2021333443109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286759.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 2021333443109 in words is "two trillion, twenty-one billion, three hundred thirty-three million, four hundred forty-three thousand, one hundred nine".