12202210110221 has 4 divisors (see below), whose sum is σ = 12202702894752. Its totient is φ = 12201717325692.

The previous prime is 12202210110179. The next prime is 12202210110227. The reversal of 12202210110221 is 12201101220221.

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 12202210110221 - 2¹⁸ = 12202209848077 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 12202210110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202210110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246355121 + ... + 246404646.

It is an arithmetic number, because the mean of its divisors is an integer number (3050675723688).

Almost surely, 2^{12202210110221} is an apocalyptic number.

It is an amenable number.

12202210110221 is a deficient number, since it is larger than the sum of its proper divisors (492784531).

12202210110221 is an equidigital number, since it uses as much as digits as its factorization.

12202210110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492784530.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12202210110221 its reverse (12201101220221), we get a palindrome (24403311330442).

Subtracting from 12202210110221 its reverse (12201101220221), we obtain a square (1108890000 = 33300²).

The spelling of 12202210110221 in words is "twelve trillion, two hundred two billion, two hundred ten million, one hundred ten thousand, two hundred twenty-one".