2221120210200 has 192 divisors, whose sum is σ = 6902772480000. Its totient is φ = 590812669440.

The previous prime is 2221120210181. The next prime is 2221120210207. The reversal of 2221120210200 is 20120211222.

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 2221120210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221120210207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 462827401 + ... + 462832199.

It is an arithmetic number, because the mean of its divisors is an integer number (35951940000).

Almost surely, 2^{2221120210200} is an apocalyptic number.

2221120210200 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 2221120210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3451386240000).

2221120210200 is an abundant number, since it is smaller than the sum of its proper divisors (4681652269800).

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

2221120210200 is a wasteful number, since it uses less digits than its factorization.

2221120210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594 (or 6585 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2221120210200 its reverse (20120211222), we get a palindrome (2241240421422).

The spelling of 2221120210200 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, two hundred".