12110221121 has 8 divisors (see below), whose sum is σ = 12748771200. Its totient is φ = 11471788080.

The previous prime is 12110221111. The next prime is 12110221141. The reversal of 12110221121 is 12112201121.

12110221121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12110221121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110221096 and 12110221105.

It is not an unprimeable number, because it can be changed into a prime (12110221111) 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 7 ways as a sum of consecutive naturals, for example, 253091 + ... + 297111.

It is an arithmetic number, because the mean of its divisors is an integer number (1593596400).

Almost surely, 2^12110221121 is an apocalyptic number.

It is an amenable number.

12110221121 is a deficient number, since it is larger than the sum of its proper divisors (638550079).

12110221121 is a wasteful number, since it uses less digits than its factorization.

12110221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58519.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12110221121 its reverse (12112201121), we get a palindrome (24222422242).

The spelling of 12110221121 in words is "twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".