12110121121109 has 8 divisors (see below), whose sum is σ = 13320223383360. Its totient is φ = 11009201017980.

The previous prime is 12110121121103. The next prime is 12110121121129. The reversal of 12110121121109 is 90112112101121.

It is not a de Polignac number, because 12110121121109 - 2²⁴ = 12110104343893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110121121103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4549255289 + ... + 4549257950.

It is an arithmetic number, because the mean of its divisors is an integer number (1665027922920).

Almost surely, 2^{12110121121109} is an apocalyptic number.

It is an amenable number.

12110121121109 is a deficient number, since it is larger than the sum of its proper divisors (1210102262251).

12110121121109 is an frugal number, since it uses more digits than its factorization.

12110121121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098513272 (or 9098513250 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 12110121121109 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred nine".