201222112210 has 16 divisors (see below), whose sum is σ = 413942630976. Its totient is φ = 68990438448.

The previous prime is 201222112183. The next prime is 201222112219. The reversal of 201222112210 is 12211222102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201222112219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437300732 + ... + 1437300871.

It is an arithmetic number, because the mean of its divisors is an integer number (25871414436).

Almost surely, 2^201222112210 is an apocalyptic number.

201222112210 is an abundant number, since it is smaller than the sum of its proper divisors (212720518766).

201222112210 is a wasteful number, since it uses less digits than its factorization.

201222112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874601617.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201222112210 its reverse (12211222102), we get a palindrome (213433334312).

The spelling of 201222112210 in words is "two hundred one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred ten".