12110211022121 has 2 divisors, whose sum is σ = 12110211022122. Its totient is φ = 12110211022120.

The previous prime is 12110211021971. The next prime is 12110211022193. The reversal of 12110211022121 is 12122011201121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11856562808896 + 253648213225 = 3443336^2 + 503635^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110211022121 - 2³⁰ = 12109137280297 is a prime.

It is a super-2 number, since 2×12110211022121² (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 12110211022121.

It is not a weakly prime, because it can be changed into another prime (12110211021121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055105511060 + 6055105511061.

It is an arithmetic number, because the mean of its divisors is an integer number (6055105511061).

Almost surely, 2^{12110211022121} is an apocalyptic number.

It is an amenable number.

12110211022121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110211022121 is an equidigital number, since it uses as much as digits as its factorization.

12110211022121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12110211022121 its reverse (12122011201121), we get a palindrome (24232222223242).

The spelling of 12110211022121 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, twenty-two thousand, one hundred twenty-one".