12011102020081 has 2 divisors, whose sum is σ = 12011102020082. Its totient is φ = 12011102020080.

The previous prime is 12011102020067. The next prime is 12011102020117. The reversal of 12011102020081 is 18002020111021.

12011102020081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8581290619456 + 3429811400625 = 2929384^2 + 1851975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011102020081 is a prime.

It is a super-4 number, since 4×12011102020081⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12011102020051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005551010040 + 6005551010041.

It is an arithmetic number, because the mean of its divisors is an integer number (6005551010041).

Almost surely, 2^{12011102020081} is an apocalyptic number.

It is an amenable number.

12011102020081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011102020081 is an equidigital number, since it uses as much as digits as its factorization.

12011102020081 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 19.

The spelling of 12011102020081 in words is "twelve trillion, eleven billion, one hundred two million, twenty thousand, eighty-one".