201222110222 has 24 divisors (see below), whose sum is σ = 351138363120. Its totient is φ = 86231584320.

The previous prime is 201222110213. The next prime is 201222110249. The reversal of 201222110222 is 222011222102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201222110222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1376822 + ... + 1515942.

It is an arithmetic number, because the mean of its divisors is an integer number (14630765130).

Almost surely, 2^201222110222 is an apocalyptic number.

201222110222 is a deficient number, since it is larger than the sum of its proper divisors (149916252898).

201222110222 is a wasteful number, since it uses less digits than its factorization.

201222110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153896 (or 153889 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201222110222 its reverse (222011222102), we get a palindrome (423233332324).

The spelling of 201222110222 in words is "two hundred one billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-two".