2221201210200 has 96 divisors (see below), whose sum is σ = 7869398588160. Its totient is φ = 507703132800.

The previous prime is 2221201210147. The next prime is 2221201210219. The reversal of 2221201210200 is 20121021222.

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 2221201210200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264424516 + ... + 264432915.

It is an arithmetic number, because the mean of its divisors is an integer number (81972901960).

Almost surely, 2^{2221201210200} is an apocalyptic number.

2221201210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221201210200 is an abundant number, since it is smaller than the sum of its proper divisors (5648197377960).

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

2221201210200 is a wasteful number, since it uses less digits than its factorization.

2221201210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528857457 (or 528857448 counting only the distinct ones).

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

Adding to 2221201210200 its reverse (20121021222), we get a palindrome (2241322231422).

The spelling of 2221201210200 in words is "two trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, two hundred".