12210221102111 has 16 divisors (see below), whose sum is σ = 12579174152160. Its totient is φ = 11847519406080.

The previous prime is 12210221102089. The next prime is 12210221102153. The reversal of 12210221102111 is 11120112201221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210221102111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210221102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210221102161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544366 + ... + 5177403.

It is an arithmetic number, because the mean of its divisors is an integer number (786198384510).

Almost surely, 2^{12210221102111} is an apocalyptic number.

12210221102111 is a deficient number, since it is larger than the sum of its proper divisors (368953050049).

12210221102111 is an equidigital number, since it uses as much as digits as its factorization.

12210221102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722234.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12210221102111 its reverse (11120112201221), we get a palindrome (23330333303332).

The spelling of 12210221102111 in words is "twelve trillion, two hundred ten billion, two hundred twenty-one million, one hundred two thousand, one hundred eleven".