12110020221 has 8 divisors (see below), whose sum is σ = 17388747040. Its totient is φ = 7452320112.

The previous prime is 12110020217. The next prime is 12110020229. The reversal of 12110020221 is 12202001121.

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

It is not a de Polignac number, because 12110020221 - 2² = 12110020217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110020197 and 12110020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110020229) 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 7 ways as a sum of consecutive naturals, for example, 155256631 + ... + 155256708.

It is an arithmetic number, because the mean of its divisors is an integer number (2173593380).

Almost surely, 2^12110020221 is an apocalyptic number.

It is an amenable number.

12110020221 is a deficient number, since it is larger than the sum of its proper divisors (5278726819).

12110020221 is a wasteful number, since it uses less digits than its factorization.

12110020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310513355.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110020221 its reverse (12202001121), we get a palindrome (24312021342).

The spelling of 12110020221 in words is "twelve billion, one hundred ten million, twenty thousand, two hundred twenty-one".