12112200100221 has 8 divisors (see below), whose sum is σ = 17391877067040. Its totient is φ = 7453661600112.

The previous prime is 12112200100207. The next prime is 12112200100243. The reversal of 12112200100221 is 12200100221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12112200100221 - 2³³ = 12103610165629 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112200100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112200100321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155284616631 + ... + 155284616708.

It is an arithmetic number, because the mean of its divisors is an integer number (2173984633380).

Almost surely, 2^{12112200100221} is an apocalyptic number.

It is an amenable number.

12112200100221 is a deficient number, since it is larger than the sum of its proper divisors (5279676966819).

12112200100221 is a wasteful number, since it uses less digits than its factorization.

12112200100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310569233355.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12112200100221 its reverse (12200100221121), we get a palindrome (24312300321342).

It can be divided in two parts, 121 and 12200100221, that multiplied together give a palindrome (1476212126741).

The spelling of 12112200100221 in words is "twelve trillion, one hundred twelve billion, two hundred million, one hundred thousand, two hundred twenty-one".