2112021020089 has 2 divisors, whose sum is σ = 2112021020090. Its totient is φ = 2112021020088.

The previous prime is 2112021019991. The next prime is 2112021020093. The reversal of 2112021020089 is 9800201202112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2061392420025 + 50628600064 = 1435755^2 + 225008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112021020089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112091020089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056010510044 + 1056010510045.

It is an arithmetic number, because the mean of its divisors is an integer number (1056010510045).

Almost surely, 2^{2112021020089} is an apocalyptic number.

It is an amenable number.

2112021020089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112021020089 is an equidigital number, since it uses as much as digits as its factorization.

2112021020089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 2112021020089 in words is "two trillion, one hundred twelve billion, twenty-one million, twenty thousand, eighty-nine".