2021323344441 has 8 divisors (see below), whose sum is σ = 2695208150880. Its totient is φ = 1347493717152.

The previous prime is 2021323344431. The next prime is 2021323344499. The reversal of 2021323344441 is 1444433231202.

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

It is not a de Polignac number, because 2021323344441 - 2⁹ = 2021323343929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021323344421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13709236 + ... + 13855893.

It is an arithmetic number, because the mean of its divisors is an integer number (336901018860).

Almost surely, 2^{2021323344441} is an apocalyptic number.

It is an amenable number.

2021323344441 is a deficient number, since it is larger than the sum of its proper divisors (673884806439).

2021323344441 is a wasteful number, since it uses less digits than its factorization.

2021323344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27589575.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 2021323344441 its reverse (1444433231202), we get a palindrome (3465756575643).

The spelling of 2021323344441 in words is "two trillion, twenty-one billion, three hundred twenty-three million, three hundred forty-four thousand, four hundred forty-one".