221120200112 has 160 divisors (see below), whose sum is σ = 517179755520. Its totient is φ = 89537817600.

The previous prime is 221120200061. The next prime is 221120200127. The reversal of 221120200112 is 211002021122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 161048258 + ... + 161049630.

It is an arithmetic number, because the mean of its divisors is an integer number (3232373472).

Almost surely, 2^221120200112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221120200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258589877760).

221120200112 is an abundant number, since it is smaller than the sum of its proper divisors (296059555408).

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

221120200112 is a wasteful number, since it uses less digits than its factorization.

221120200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2125 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221120200112 its reverse (211002021122), we get a palindrome (432122221234).

The spelling of 221120200112 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred thousand, one hundred twelve".