111001111110020 has 24 divisors (see below), whose sum is σ = 233605794113664. Its totient is φ = 44304547152096.

The previous prime is 111001111110011. The next prime is 111001111110059. The reversal of 111001111110020 is 20011111100111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111001111109983 and 111001111110010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5993571254 + ... + 5993589773.

It is an arithmetic number, because the mean of its divisors is an integer number (9733574754736).

Almost surely, 2^{111001111110020} is an apocalyptic number.

111001111110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001111110020 is an abundant number, since it is smaller than the sum of its proper divisors (122604683003644).

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

111001111110020 is a wasteful number, since it uses less digits than its factorization.

111001111110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987161499 (or 11987161497 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111001111110020 its reverse (20011111100111), we get a palindrome (131012222210131).

Subtracting from 111001111110020 its reverse (20011111100111), we obtain a palindrome (90990000009909).

The spelling of 111001111110020 in words is "one hundred eleven trillion, one billion, one hundred eleven million, one hundred ten thousand, twenty".