11212120967389 has 2 divisors, whose sum is σ = 11212120967390. Its totient is φ = 11212120967388.

The previous prime is 11212120967353. The next prime is 11212120967417. The reversal of 11212120967389 is 98376902121211.

11212120967389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11137684758489 + 74436208900 = 3337317^2 + 272830^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212120967389 - 2²¹ = 11212118870237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212120967309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606060483694 + 5606060483695.

It is an arithmetic number, because the mean of its divisors is an integer number (5606060483695).

Almost surely, 2^{11212120967389} is an apocalyptic number.

It is an amenable number.

11212120967389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212120967389 is an equidigital number, since it uses as much as digits as its factorization.

11212120967389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 11212120967389 in words is "eleven trillion, two hundred twelve billion, one hundred twenty million, nine hundred sixty-seven thousand, three hundred eighty-nine".