221120201120 has 192 divisors, whose sum is σ = 644716993536. Its totient is φ = 69788528640.

The previous prime is 221120201119. The next prime is 221120201131. The reversal of 221120201120 is 21102021122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221120201095 and 221120201104.

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, 5322830 + ... + 5364210.

It is an arithmetic number, because the mean of its divisors is an integer number (3357901008).

Almost surely, 2^221120201120 is an apocalyptic number.

221120201120 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 221120201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322358496768).

221120201120 is an abundant number, since it is smaller than the sum of its proper divisors (423596792416).

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

221120201120 is a wasteful number, since it uses less digits than its factorization.

221120201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41783 (or 41775 counting only the distinct ones).

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

Adding to 221120201120 its reverse (21102021122), we get a palindrome (242222222242).

The spelling of 221120201120 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred twenty".