110120110020 has 72 divisors (see below), whose sum is σ = 334912556160. Its totient is φ = 29287863360.

The previous prime is 110120109991. The next prime is 110120110069. The reversal of 110120110020 is 20011021011.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 110120109984 and 110120110011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 738876 + ... + 875315.

It is an arithmetic number, because the mean of its divisors is an integer number (4651563280).

Almost surely, 2^110120110020 is an apocalyptic number.

110120110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110120110020 is an abundant number, since it is smaller than the sum of its proper divisors (224792446140).

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

110120110020 is a wasteful number, since it uses less digits than its factorization.

110120110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614585 (or 1614580 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110120110020 its reverse (20011021011), we get a palindrome (130131131031).

The spelling of 110120110020 in words is "one hundred ten billion, one hundred twenty million, one hundred ten thousand, twenty".