12110122121121 has 16 divisors (see below), whose sum is σ = 17940975673920. Its totient is φ = 8073390441600.

The previous prime is 12110122121117. The next prime is 12110122121179. The reversal of 12110122121121 is 12112122101121.

It is a happy number.

12110122121121 is a `hidden beast` number, since 1 + 211 + 0 + 1 + 221 + 211 + 21 = 666.

It is not a de Polignac number, because 12110122121121 - 2² = 12110122121117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110122121094 and 12110122121103.

It is not an unprimeable number, because it can be changed into a prime (12110122129121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15538866 + ... + 16299588.

It is an arithmetic number, because the mean of its divisors is an integer number (1121310979620).

Almost surely, 2^{12110122121121} is an apocalyptic number.

It is an amenable number.

12110122121121 is a deficient number, since it is larger than the sum of its proper divisors (5830853552799).

12110122121121 is an equidigital number, since it uses as much as digits as its factorization.

12110122121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350333 (or 1350327 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12110122121121 its reverse (12112122101121), we get a palindrome (24222244222242).

The spelling of 12110122121121 in words is "twelve trillion, one hundred ten billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".