110131210020 has 96 divisors (see below), whose sum is σ = 335376195840. Its totient is φ = 26840793600.

The previous prime is 110131210019. The next prime is 110131210039. The reversal of 110131210020 is 20012131011.

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 = 110131209978 and 110131210005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620200 + ... + 777759.

It is an arithmetic number, because the mean of its divisors is an integer number (3493502040).

Almost surely, 2^110131210020 is an apocalyptic number.

110131210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110131210020 is an abundant number, since it is smaller than the sum of its proper divisors (225244985820).

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

110131210020 is a wasteful number, since it uses less digits than its factorization.

110131210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398085 (or 1398083 counting only the distinct ones).

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

Adding to 110131210020 its reverse (20012131011), we get a palindrome (130143341031).

The spelling of 110131210020 in words is "one hundred ten billion, one hundred thirty-one million, two hundred ten thousand, twenty".