110120201220 has 48 divisors (see below), whose sum is σ = 309626714880. Its totient is φ = 29242515456.

The previous prime is 110120201203. The next prime is 110120201227. The reversal of 110120201220 is 22102021011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 110120201196 and 110120201205.

It is not an unprimeable number, because it can be changed into a prime (110120201227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3825277 + ... + 3853956.

It is an arithmetic number, because the mean of its divisors is an integer number (6450556560).

Almost surely, 2^110120201220 is an apocalyptic number.

110120201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110120201220 is an abundant number, since it is smaller than the sum of its proper divisors (199506513660).

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

110120201220 is a wasteful number, since it uses less digits than its factorization.

110120201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679484 (or 7679482 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110120201220 its reverse (22102021011), we get a palindrome (132222222231).

The spelling of 110120201220 in words is "one hundred ten billion, one hundred twenty million, two hundred one thousand, two hundred twenty".