221321103130200 has 192 divisors, whose sum is σ = 702817048080000. Its totient is φ = 57595144483840.

The previous prime is 221321103130189. The next prime is 221321103130229. The reversal of 221321103130200 is 2031301123122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17967750 + ... + 27667349.

It is an arithmetic number, because the mean of its divisors is an integer number (3660505458750).

Almost surely, 2^{221321103130200} is an apocalyptic number.

221321103130200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221321103130200 is an abundant number, since it is smaller than the sum of its proper divisors (481495944949800).

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

221321103130200 is a wasteful number, since it uses less digits than its factorization.

221321103130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45635314 (or 45635305 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221321103130200 its reverse (2031301123122), we get a palindrome (223352404253322).

The spelling of 221321103130200 in words is "two hundred twenty-one trillion, three hundred twenty-one billion, one hundred three million, one hundred thirty thousand, two hundred".