12110043024221 has 16 divisors (see below), whose sum is σ = 12880983389040. Its totient is φ = 11345730600960.

The previous prime is 12110043024199. The next prime is 12110043024269. The reversal of 12110043024221 is 12242034001121.

It can be written as a sum of positive squares in 8 ways, for example, as 1202783791225 + 10907259232996 = 1096715^2 + 3302614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110043024221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110043024281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419485 + ... + 5122013.

It is an arithmetic number, because the mean of its divisors is an integer number (805061461815).

Almost surely, 2^{12110043024221} is an apocalyptic number.

It is an amenable number.

12110043024221 is a deficient number, since it is larger than the sum of its proper divisors (770940364819).

12110043024221 is a wasteful number, since it uses less digits than its factorization.

12110043024221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703424.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12110043024221 its reverse (12242034001121), we get a palindrome (24352077025342).

The spelling of 12110043024221 in words is "twelve trillion, one hundred ten billion, forty-three million, twenty-four thousand, two hundred twenty-one".