221320211120 has 120 divisors (see below), whose sum is σ = 525527103696. Its totient is φ = 86681447424.

The previous prime is 221320211087. The next prime is 221320211131. The reversal of 221320211120 is 21112023122.

221320211120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197078879 + ... + 197080001.

Almost surely, 2^221320211120 is an apocalyptic number.

221320211120 is a gapful number since it is divisible by the number (20) 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 221320211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262763551848).

221320211120 is an abundant number, since it is smaller than the sum of its proper divisors (304206892576).

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

221320211120 is a wasteful number, since it uses less digits than its factorization.

221320211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221320211120 its reverse (21112023122), we get a palindrome (242432234242).

The spelling of 221320211120 in words is "two hundred twenty-one billion, three hundred twenty million, two hundred eleven thousand, one hundred twenty".