110111010120020 has 72 divisors (see below), whose sum is σ = 286158317485824. Its totient is φ = 34848319678848.

The previous prime is 110111010120017. The next prime is 110111010120037. The reversal of 110111010120020 is 20021010111011.

It is a super-2 number, since 2×110111010120020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110111010119983 and 110111010120010.

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, 2326920764 + ... + 2326968083.

It is an arithmetic number, because the mean of its divisors is an integer number (3974421076192).

Almost surely, 2^{110111010120020} is an apocalyptic number.

110111010120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110111010120020 is an abundant number, since it is smaller than the sum of its proper divisors (176047307365804).

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

110111010120020 is a wasteful number, since it uses less digits than its factorization.

110111010120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653888889 (or 4653888874 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110111010120020 its reverse (20021010111011), we get a palindrome (130132020231031).

Subtracting from 110111010120020 its reverse (20021010111011), we obtain a palindrome (90090000009009).

The spelling of 110111010120020 in words is "one hundred ten trillion, one hundred eleven billion, ten million, one hundred twenty thousand, twenty".