12110032121 has 16 divisors (see below), whose sum is σ = 13256576640. Its totient is φ = 10971169920.

The previous prime is 12110032111. The next prime is 12110032141. The reversal of 12110032121 is 12123001121.

It is a cyclic number.

It is not a de Polignac number, because 12110032121 - 2⁶ = 12110032057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110032096 and 12110032105.

It is not an unprimeable number, because it can be changed into a prime (12110032111) 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, 4836956 + ... + 4839458.

It is an arithmetic number, because the mean of its divisors is an integer number (828536040).

Almost surely, 2^12110032121 is an apocalyptic number.

12110032121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110032121 is a deficient number, since it is larger than the sum of its proper divisors (1146544519).

12110032121 is a wasteful number, since it uses less digits than its factorization.

12110032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12110032121 its reverse (12123001121), we get a palindrome (24233033242).

The spelling of 12110032121 in words is "twelve billion, one hundred ten million, thirty-two thousand, one hundred twenty-one".