It is an unprimeable number.
Almost surely, 2222000002120 is an apocalyptic number.
222000002120 is a gapful number since it is divisible by the number (20) 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 222000002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271123836660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222000002120 is a wasteful number, since it uses less digits than its factorization.
222000002120 is an odious number, because the sum of its binary digits is odd.
Adding to 222000002120 its reverse (21200000222), we get a palindrome (243200002342).
The spelling of 222000002120 in words is "two hundred twenty-two billion, two thousand, one hundred twenty".