110231220 has 48 divisors (see below), whose sum is σ = 336708288. Its totient is φ = 26722560.

The previous prime is 110231207. The next prime is 110231227. The reversal of 110231220 is 22132011.

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 = 110231196 and 110231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110231227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82849 + ... + 84168.

It is an arithmetic number, because the mean of its divisors is an integer number (7014756).

Almost surely, 2^110231220 is an apocalyptic number.

110231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110231220 is an abundant number, since it is smaller than the sum of its proper divisors (226477068).

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

110231220 is a wasteful number, since it uses less digits than its factorization.

110231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167040 (or 167038 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 110231220 is about 10499.1056761993. The cubic root of 110231220 is about 479.4774695716.

Adding to 110231220 its reverse (22132011), we get a palindrome (132363231).

The spelling of 110231220 in words is "one hundred ten million, two hundred thirty-one thousand, two hundred twenty".