12110011521 has 8 divisors (see below), whose sum is σ = 16235890944. Its totient is φ = 8028736560.

The previous prime is 12110011483. The next prime is 12110011531. The reversal of 12110011521 is 12511001121.

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

It is not a de Polignac number, because 12110011521 - 2²⁷ = 11975793793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12110011521.

It is not an unprimeable number, because it can be changed into a prime (12110011531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11150481 + ... + 11151566.

It is an arithmetic number, because the mean of its divisors is an integer number (2029486368).

Almost surely, 2^12110011521 is an apocalyptic number.

It is an amenable number.

12110011521 is a deficient number, since it is larger than the sum of its proper divisors (4125879423).

12110011521 is a wasteful number, since it uses less digits than its factorization.

12110011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22302231.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 12110011521 its reverse (12511001121), we get a palindrome (24621012642).

The spelling of 12110011521 in words is "twelve billion, one hundred ten million, eleven thousand, five hundred twenty-one".