Adding to 201101222 its reverse (222101102), we get a palindrome (423202324).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2201101222 is an apocalyptic number.
201101222 is a wasteful number, since it uses less digits than its factorization.
201101222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14364382.
The square root of 201101222 is about 14181.0162541336. The cubic root of 201101222 is about 585.8749145745.
The spelling of 201101222 in words is "two hundred one million, one hundred one thousand, two hundred twenty-two".