110120100220 has 96 divisors (see below), whose sum is σ = 253975865472. Its totient is φ = 39855449088.

The previous prime is 110120100199. The next prime is 110120100221. The reversal of 110120100220 is 22001021011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 110120100197 and 110120100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120100221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17952274 + ... + 17958406.

It is an arithmetic number, because the mean of its divisors is an integer number (2645581932).

Almost surely, 2^110120100220 is an apocalyptic number.

110120100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110120100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126987932736).

110120100220 is an abundant number, since it is smaller than the sum of its proper divisors (143855765252).

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

110120100220 is a wasteful number, since it uses less digits than its factorization.

110120100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110120100220 its reverse (22001021011), we get a palindrome (132121121231).

The spelling of 110120100220 in words is "one hundred ten billion, one hundred twenty million, one hundred thousand, two hundred twenty".