Adding to 1223331120 its reverse (211333221), we get a palindrome (1434664341).
It is an unprimeable number.
Almost surely, 21223331120 is an apocalyptic number.
1223331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1223331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298424320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223331120 is a wasteful number, since it uses less digits than its factorization.
1223331120 is an odious number, because the sum of its binary digits is odd.
The square root of 1223331120 is about 34976.1507316057. The cubic root of 1223331120 is about 1069.5013602307.
The spelling of 1223331120 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred twenty".