201110022220 has 48 divisors (see below), whose sum is σ = 425450241216. Its totient is φ = 79852032000.

The previous prime is 201110022199. The next prime is 201110022301. The reversal of 201110022220 is 22220011102.

It is a happy number.

201110022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201110022220.

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 15 ways as a sum of consecutive naturals, for example, 1431940 + ... + 1566100.

It is an arithmetic number, because the mean of its divisors is an integer number (8863546692).

Almost surely, 2^201110022220 is an apocalyptic number.

201110022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201110022220 is an abundant number, since it is smaller than the sum of its proper divisors (224340218996).

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

201110022220 is a wasteful number, since it uses less digits than its factorization.

201110022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134722 (or 134720 counting only the distinct ones).

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

Adding to 201110022220 its reverse (22220011102), we get a palindrome (223330033322).

The spelling of 201110022220 in words is "two hundred one billion, one hundred ten million, twenty-two thousand, two hundred twenty".