It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
Almost surely, 210221434420343 is an apocalyptic number.
10221434420343 is a wasteful number, since it uses less digits than its factorization.
10221434420343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3205217253.
Adding to 10221434420343 its reverse (34302443412201), we get a palindrome (44523877832544).
The spelling of 10221434420343 in words is "ten trillion, two hundred twenty-one billion, four hundred thirty-four million, four hundred twenty thousand, three hundred forty-three".