2112102197 has 2 divisors, whose sum is σ = 2112102198. Its totient is φ = 2112102196.

The previous prime is 2112102173. The next prime is 2112102227. The reversal of 2112102197 is 7912012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1694063281 + 418038916 = 41159^2 + 20446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112102197 - 2⁶ = 2112102133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112102997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056051098 + 1056051099.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051099).

Almost surely, 2^2112102197 is an apocalyptic number.

It is an amenable number.

2112102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112102197 is an equidigital number, since it uses as much as digits as its factorization.

2112102197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 2112102197 is about 45957.6130472417. The cubic root of 2112102197 is about 1283.0344261334.

The spelling of 2112102197 in words is "two billion, one hundred twelve million, one hundred two thousand, one hundred ninety-seven".