221002130200 has 48 divisors (see below), whose sum is σ = 514063169280. Its totient is φ = 88360728960.

The previous prime is 221002130171. The next prime is 221002130243. The reversal of 221002130200 is 2031200122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192937 + ... + 692263.

It is an arithmetic number, because the mean of its divisors is an integer number (10709649360).

Almost surely, 2^221002130200 is an apocalyptic number.

221002130200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002130200 is an abundant number, since it is smaller than the sum of its proper divisors (293061039080).

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

221002130200 is a wasteful number, since it uses less digits than its factorization.

221002130200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501556 (or 501547 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 221002130200 its reverse (2031200122), we get a palindrome (223033330322).

The spelling of 221002130200 in words is "two hundred twenty-one billion, two million, one hundred thirty thousand, two hundred".