12110302221 has 4 divisors (see below), whose sum is σ = 16147069632. Its totient is φ = 8073534812.

The previous prime is 12110302199. The next prime is 12110302229. The reversal of 12110302221 is 12220301121.

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 12110302221 - 2¹⁷ = 12110171149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12110302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110302229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018383701 + ... + 2018383706.

It is an arithmetic number, because the mean of its divisors is an integer number (4036767408).

Almost surely, 2^12110302221 is an apocalyptic number.

It is an amenable number.

12110302221 is a deficient number, since it is larger than the sum of its proper divisors (4036767411).

12110302221 is an equidigital number, since it uses as much as digits as its factorization.

12110302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036767410.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12110302221 its reverse (12220301121), we get a palindrome (24330603342).

The spelling of 12110302221 in words is "twelve billion, one hundred ten million, three hundred two thousand, two hundred twenty-one".