221010202200 has 48 divisors (see below), whose sum is σ = 685131628680. Its totient is φ = 58936053760.

The previous prime is 221010202163. The next prime is 221010202201. The reversal of 221010202200 is 2202010122.

221010202200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010202201) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 184174569 + ... + 184175768.

Almost surely, 2^221010202200 is an apocalyptic number.

221010202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221010202200 is an abundant number, since it is smaller than the sum of its proper divisors (464121426480).

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

221010202200 is a wasteful number, since it uses less digits than its factorization.

221010202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368350356 (or 368350347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221010202200 its reverse (2202010122), we get a palindrome (223212212322).

The spelling of 221010202200 in words is "two hundred twenty-one billion, ten million, two hundred two thousand, two hundred".