221200200211200 has 216 divisors, whose sum is σ = 834293422303488. Its totient is φ = 50560045731840.

The previous prime is 221200200211181. The next prime is 221200200211283. The reversal of 221200200211200 is 2112002002122.

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 221200200211200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822783012 + ... + 823051811.

Almost surely, 2^{221200200211200} is an apocalyptic number.

221200200211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221200200211200 is an abundant number, since it is smaller than the sum of its proper divisors (613093222092288).

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

221200200211200 is a wasteful number, since it uses less digits than its factorization.

221200200211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645834859 (or 1645834840 counting only the distinct ones).

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

Adding to 221200200211200 its reverse (2112002002122), we get a palindrome (223312202213322).

The spelling of 221200200211200 in words is "two hundred twenty-one trillion, two hundred billion, two hundred million, two hundred eleven thousand, two hundred".