110221202220 has 24 divisors (see below), whose sum is σ = 308619366384. Its totient is φ = 29392320576.

The previous prime is 110221202111. The next prime is 110221202249. The reversal of 110221202220 is 22202122011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 110221202220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918509959 + ... + 918510078.

It is an arithmetic number, because the mean of its divisors is an integer number (12859140266).

Almost surely, 2^110221202220 is an apocalyptic number.

110221202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221202220 is an abundant number, since it is smaller than the sum of its proper divisors (198398164164).

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

110221202220 is a wasteful number, since it uses less digits than its factorization.

110221202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837020049 (or 1837020047 counting only the distinct ones).

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

Adding to 110221202220 its reverse (22202122011), we get a palindrome (132423324231).

The spelling of 110221202220 in words is "one hundred ten billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty".