112211022220 has 72 divisors (see below), whose sum is σ = 261577767024. Its totient is φ = 40399920000.

The previous prime is 112211022181. The next prime is 112211022221. The reversal of 112211022220 is 22220112211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112211022194 and 112211022203.

It is not an unprimeable number, because it can be changed into a prime (112211022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14875 + ... + 473965.

It is an arithmetic number, because the mean of its divisors is an integer number (3633024542).

Almost surely, 2^112211022220 is an apocalyptic number.

112211022220 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 112211022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130788883512).

112211022220 is an abundant number, since it is smaller than the sum of its proper divisors (149366744804).

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

112211022220 is a wasteful number, since it uses less digits than its factorization.

112211022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459223 (or 459210 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112211022220 its reverse (22220112211), we get a palindrome (134431134431).

The spelling of 112211022220 in words is "one hundred twelve billion, two hundred eleven million, twenty-two thousand, two hundred twenty".