12110121122089 has 2 divisors, whose sum is σ = 12110121122090. Its totient is φ = 12110121122088.

The previous prime is 12110121122069. The next prime is 12110121122149. The reversal of 12110121122089 is 98022112101121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7807330105600 + 4302791016489 = 2794160^2 + 2074317^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110121122089 - 2¹⁵ = 12110121089321 is a prime.

It is a super-2 number, since 2×12110121122089² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12110121122089.

It is not a weakly prime, because it can be changed into another prime (12110121122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055060561044 + 6055060561045.

It is an arithmetic number, because the mean of its divisors is an integer number (6055060561045).

Almost surely, 2^{12110121122089} is an apocalyptic number.

It is an amenable number.

12110121122089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110121122089 is an equidigital number, since it uses as much as digits as its factorization.

12110121122089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 12110121122089 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, one hundred twenty-two thousand, eighty-nine".