12110110002121 has 2 divisors, whose sum is σ = 12110110002122. Its totient is φ = 12110110002120.

The previous prime is 12110110002073. The next prime is 12110110002149. The reversal of 12110110002121 is 12120001101121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8078447592121 + 4031662410000 = 2842261^2 + 2007900^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110110002121 - 2⁷ = 12110110001993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12110110005121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055055001060 + 6055055001061.

It is an arithmetic number, because the mean of its divisors is an integer number (6055055001061).

Almost surely, 2^{12110110002121} is an apocalyptic number.

It is an amenable number.

12110110002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110110002121 is an equidigital number, since it uses as much as digits as its factorization.

12110110002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12110110002121 its reverse (12120001101121), we get a palindrome (24230111103242).

The spelling of 12110110002121 in words is "twelve trillion, one hundred ten billion, one hundred ten million, two thousand, one hundred twenty-one".