Adding to 11331131321233 its reverse (33212313113311), we get a palindrome (44543444434544).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 211331131321233 is an apocalyptic number.
It is an amenable number.
11331131321233 is an equidigital number, since it uses as much as digits as its factorization.
11331131321233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2573463.
The spelling of 11331131321233 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-three".