201220110222 has 16 divisors (see below), whose sum is σ = 406589089872. Its totient is φ = 66381891840.

The previous prime is 201220110187. The next prime is 201220110229. The reversal of 201220110222 is 222011022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220110229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172868929 + ... + 172870092.

It is an arithmetic number, because the mean of its divisors is an integer number (25411818117).

Almost surely, 2^201220110222 is an apocalyptic number.

201220110222 is an abundant number, since it is smaller than the sum of its proper divisors (205368979650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201220110222 is a wasteful number, since it uses less digits than its factorization.

201220110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345739123.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201220110222 its reverse (222011022102), we get a palindrome (423231132324).

The spelling of 201220110222 in words is "two hundred one billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-two".