112232111220 has 144 divisors (see below), whose sum is σ = 360558551808. Its totient is φ = 29291725440.

The previous prime is 112232111219. The next prime is 112232111261. The reversal of 112232111220 is 22111232211.

112232111220 is a `hidden beast` number, since 1 + 122 + 321 + 1 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112232111193 and 112232111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17251 + ... + 474090.

It is an arithmetic number, because the mean of its divisors is an integer number (2503878832).

Almost surely, 2^112232111220 is an apocalyptic number.

112232111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112232111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180279275904).

112232111220 is an abundant number, since it is smaller than the sum of its proper divisors (248326440588).

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

112232111220 is a wasteful number, since it uses less digits than its factorization.

112232111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491412 (or 491398 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112232111220 its reverse (22111232211), we get a palindrome (134343343431).

The spelling of 112232111220 in words is "one hundred twelve billion, two hundred thirty-two million, one hundred eleven thousand, two hundred twenty".