110012220 has 72 divisors (see below), whose sum is σ = 348225696. Its totient is φ = 28060032.

The previous prime is 110012209. The next prime is 110012269. The reversal of 110012220 is 22210011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9147 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (4836468).

Almost surely, 2^110012220 is an apocalyptic number.

110012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110012220 is an abundant number, since it is smaller than the sum of its proper divisors (238213476).

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

110012220 is a wasteful number, since it uses less digits than its factorization.

110012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26611 (or 26606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 110012220 is about 10488.6710311650. The cubic root of 110012220 is about 479.1597278222.

Adding to 110012220 its reverse (22210011), we get a palindrome (132222231).

The spelling of 110012220 in words is "one hundred ten million, twelve thousand, two hundred twenty".