2112020022197 has 2 divisors, whose sum is σ = 2112020022198. Its totient is φ = 2112020022196.

The previous prime is 2112020022179. The next prime is 2112020022221. The reversal of 2112020022197 is 7912200202112.

Together with previous prime (2112020022179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1341348483556 + 770671538641 = 1158166^2 + 877879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112020022197 - 2¹⁴ = 2112020005813 is a prime.

It is a super-2 number, since 2×2112020022197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112020022107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056010011098 + 1056010011099.

It is an arithmetic number, because the mean of its divisors is an integer number (1056010011099).

Almost surely, 2^{2112020022197} is an apocalyptic number.

It is an amenable number.

2112020022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112020022197 is an equidigital number, since it uses as much as digits as its factorization.

2112020022197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 2112020022197 in words is "two trillion, one hundred twelve billion, twenty million, twenty-two thousand, one hundred ninety-seven".