12100002210221 has 4 divisors (see below), whose sum is σ = 12102078756672. Its totient is φ = 12097925663772.

The previous prime is 12100002210187. The next prime is 12100002210227. The reversal of 12100002210221 is 12201220000121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12100002210221 - 2¹⁸ = 12100001948077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100002210196 and 12100002210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100002210227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1038264485 + ... + 1038276138.

It is an arithmetic number, because the mean of its divisors is an integer number (3025519689168).

Almost surely, 2^{12100002210221} is an apocalyptic number.

It is an amenable number.

12100002210221 is a deficient number, since it is larger than the sum of its proper divisors (2076546451).

12100002210221 is an equidigital number, since it uses as much as digits as its factorization.

12100002210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076546450.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12100002210221 its reverse (12201220000121), we get a palindrome (24301222210342).

The spelling of 12100002210221 in words is "twelve trillion, one hundred billion, two million, two hundred ten thousand, two hundred twenty-one".