12110202110081 has 2 divisors, whose sum is σ = 12110202110082. Its totient is φ = 12110202110080.

The previous prime is 12110202110063. The next prime is 12110202110131. The reversal of 12110202110081 is 18001120201121.

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., 8977160508481 + 3133041601600 = 2996191^2 + 1770040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110202110081 is a prime.

It is a super-2 number, since 2×12110202110081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12110202140081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055101055040 + 6055101055041.

It is an arithmetic number, because the mean of its divisors is an integer number (6055101055041).

Almost surely, 2^{12110202110081} is an apocalyptic number.

It is an amenable number.

12110202110081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110202110081 is an equidigital number, since it uses as much as digits as its factorization.

12110202110081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 12110202110081 in words is "twelve trillion, one hundred ten billion, two hundred two million, one hundred ten thousand, eighty-one".