201222310220 has 12 divisors (see below), whose sum is σ = 422566851504. Its totient is φ = 80488924080.

The previous prime is 201222310207. The next prime is 201222310253. The reversal of 201222310220 is 22013222102.

201222310220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 5030557736 + ... + 5030557775.

It is an arithmetic number, because the mean of its divisors is an integer number (35213904292).

Almost surely, 2^201222310220 is an apocalyptic number.

201222310220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222310220 is an abundant number, since it is smaller than the sum of its proper divisors (221344541284).

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

201222310220 is a wasteful number, since it uses less digits than its factorization.

201222310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061115520 (or 10061115518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201222310220 its reverse (22013222102), we get a palindrome (223235532322).

The spelling of 201222310220 in words is "two hundred one billion, two hundred twenty-two million, three hundred ten thousand, two hundred twenty".