12110506121 has 32 divisors (see below), whose sum is σ = 15754383360. Its totient is φ = 9058611456.

The previous prime is 12110506117. The next prime is 12110506129. The reversal of 12110506121 is 12160501121.

12110506121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12110506121 - 2² = 12110506117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110506093 and 12110506102.

It is not an unprimeable number, because it can be changed into a prime (12110506129) 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 31 ways as a sum of consecutive naturals, for example, 49286 + ... + 163248.

It is an arithmetic number, because the mean of its divisors is an integer number (492324480).

Almost surely, 2^12110506121 is an apocalyptic number.

It is an amenable number.

12110506121 is a deficient number, since it is larger than the sum of its proper divisors (3643877239).

12110506121 is a wasteful number, since it uses less digits than its factorization.

12110506121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114053.

The product of its (nonzero) digits is 120, while the sum is 20.

Subtracting 12110506121 from its reverse (12160501121), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 12110506121 in words is "twelve billion, one hundred ten million, five hundred six thousand, one hundred twenty-one".