221002101212200 has 96 divisors (see below), whose sum is σ = 640619077844160. Its totient is φ = 68883771801600.

The previous prime is 221002101212171. The next prime is 221002101212227. The reversal of 221002101212200 is 2212101200122.

It is a happy number.

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, 7175377497 + ... + 7175408296.

It is an arithmetic number, because the mean of its divisors is an integer number (6673115394210).

Almost surely, 2^{221002101212200} is an apocalyptic number.

221002101212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002101212200 is an abundant number, since it is smaller than the sum of its proper divisors (419616976631960).

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

221002101212200 is a wasteful number, since it uses less digits than its factorization.

221002101212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14350785827 (or 14350785818 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002101212200 its reverse (2212101200122), we get a palindrome (223214202412322).

The spelling of 221002101212200 in words is "two hundred twenty-one trillion, two billion, one hundred one million, two hundred twelve thousand, two hundred".