111112011211120 has 40 divisors (see below), whose sum is σ = 258359148174960. Its totient is φ = 44440723261440.

The previous prime is 111112011211081. The next prime is 111112011211129. The reversal of 111112011211120 is 21112110211111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111112011211094 and 111112011211103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112011211129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62892385 + ... + 64634944.

It is an arithmetic number, because the mean of its divisors is an integer number (6458978704374).

Almost surely, 2^{111112011211120} is an apocalyptic number.

111112011211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111112011211120 is an abundant number, since it is smaller than the sum of its proper divisors (147247136963840).

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

111112011211120 is a wasteful number, since it uses less digits than its factorization.

111112011211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127538233 (or 127538227 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111112011211120 its reverse (21112110211111), we get a palindrome (132224121422231).

It can be divided in two parts, 11111201 and 1211120, that added together give a palindrome (12322321).

The spelling of 111112011211120 in words is "one hundred eleven trillion, one hundred twelve billion, eleven million, two hundred eleven thousand, one hundred twenty".