112022201220 has 96 divisors (see below), whose sum is σ = 325150858368. Its totient is φ = 28793521152.

The previous prime is 112022201191. The next prime is 112022201231. The reversal of 112022201220 is 22102220211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112022201220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1744 + ... + 473336.

It is an arithmetic number, because the mean of its divisors is an integer number (3386988108).

Almost surely, 2^112022201220 is an apocalyptic number.

112022201220 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 112022201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162575429184).

112022201220 is an abundant number, since it is smaller than the sum of its proper divisors (213128657148).

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

112022201220 is a wasteful number, since it uses less digits than its factorization.

112022201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471749 (or 471747 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 112022201220 its reverse (22102220211), we get a palindrome (134124421431).

The spelling of 112022201220 in words is "one hundred twelve billion, twenty-two million, two hundred one thousand, two hundred twenty".