221332111201200 has 120 divisors (see below), whose sum is σ = 710518733765568. Its totient is φ = 58895510954240.

The previous prime is 221332111201183. The next prime is 221332111201241. The reversal of 221332111201200 is 2102111233122.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196916502 + ... + 198037301.

Almost surely, 2^{221332111201200} is an apocalyptic number.

221332111201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221332111201200 is an abundant number, since it is smaller than the sum of its proper divisors (489186622564368).

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

221332111201200 is a wasteful number, since it uses less digits than its factorization.

221332111201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394954291 (or 394954280 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221332111201200 its reverse (2102111233122), we get a palindrome (223434222434322).

The spelling of 221332111201200 in words is "two hundred twenty-one trillion, three hundred thirty-two billion, one hundred eleven million, two hundred one thousand, two hundred".