201112222 has 8 divisors (see below), whose sum is σ = 302445000. Its totient is φ = 100297224.

The previous prime is 201112217. The next prime is 201112229. The reversal of 201112222 is 222211102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×201112222² = 80892251675554568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128472 + ... + 130027.

It is an arithmetic number, because the mean of its divisors is an integer number (37805625).

Almost surely, 2^201112222 is an apocalyptic number.

201112222 is a deficient number, since it is larger than the sum of its proper divisors (101332778).

201112222 is a wasteful number, since it uses less digits than its factorization.

201112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258890.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201112222 is about 14181.4040912739. The cubic root of 201112222 is about 585.8855966023.

Adding to 201112222 its reverse (222211102), we get a palindrome (423323324).

The spelling of 201112222 in words is "two hundred one million, one hundred twelve thousand, two hundred twenty-two".