12110120121 has 64 divisors (see below), whose sum is σ = 18483978240. Its totient is φ = 6985440000.

The previous prime is 12110120083. The next prime is 12110120129. The reversal of 12110120121 is 12102101121.

12110120121 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 12110120121 - 2⁷ = 12110119993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110120097 and 12110120106.

It is not an unprimeable number, because it can be changed into a prime (12110120129) 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 63 ways as a sum of consecutive naturals, for example, 26155536 + ... + 26155998.

It is an arithmetic number, because the mean of its divisors is an integer number (288812160).

Almost surely, 2^12110120121 is an apocalyptic number.

12110120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110120121 is a deficient number, since it is larger than the sum of its proper divisors (6373858119).

12110120121 is a wasteful number, since it uses less digits than its factorization.

12110120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12110120121 its reverse (12102101121), we get a palindrome (24212221242).

It can be divided in two parts, 12110 and 120121, that added together give a palindrome (132231).

The spelling of 12110120121 in words is "twelve billion, one hundred ten million, one hundred twenty thousand, one hundred twenty-one".