2221110133200 has 720 divisors, whose sum is σ = 9058836209280. Its totient is φ = 493319393280.

The previous prime is 2221110133189. The next prime is 2221110133217. The reversal of 2221110133200 is 23310111222.

2221110133200 is a `hidden beast` number, since 2 + 221 + 110 + 1 + 332 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1332398767 + ... + 1332400433.

Almost surely, 2^{2221110133200} is an apocalyptic number.

2221110133200 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 2221110133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4529418104640).

2221110133200 is an abundant number, since it is smaller than the sum of its proper divisors (6837726076080).

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

2221110133200 is a wasteful number, since it uses less digits than its factorization.

2221110133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2221110133200 its reverse (23310111222), we get a palindrome (2244420244422).

The spelling of 2221110133200 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred thirty-three thousand, two hundred".