221101330200 has 384 divisors, whose sum is σ = 768261542400. Its totient is φ = 52329553920.

The previous prime is 221101330189. The next prime is 221101330213. The reversal of 221101330200 is 2033101122.

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 221101330200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12710709 + ... + 12728091.

It is an arithmetic number, because the mean of its divisors is an integer number (2000681100).

Almost surely, 2^221101330200 is an apocalyptic number.

221101330200 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 221101330200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384130771200).

221101330200 is an abundant number, since it is smaller than the sum of its proper divisors (547160212200).

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

221101330200 is a wasteful number, since it uses less digits than its factorization.

221101330200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17491 (or 17482 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221101330200 its reverse (2033101122), we get a palindrome (223134431322).

The spelling of 221101330200 in words is "two hundred twenty-one billion, one hundred one million, three hundred thirty thousand, two hundred".