2002112197 has 2 divisors, whose sum is σ = 2002112198. Its totient is φ = 2002112196.

The previous prime is 2002112149. The next prime is 2002112209. The reversal of 2002112197 is 7912112002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1441417156 + 560695041 = 37966^2 + 23679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002112197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002110197) 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, 1001056098 + 1001056099.

It is an arithmetic number, because the mean of its divisors is an integer number (1001056099).

Almost surely, 2^2002112197 is an apocalyptic number.

It is an amenable number.

2002112197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002112197 is an equidigital number, since it uses as much as digits as its factorization.

2002112197 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 25.

The square root of 2002112197 is about 44744.9683986926. The cubic root of 2002112197 is about 1260.3644274250.

Adding to 2002112197 its reverse (7912112002), we get a palindrome (9914224199).

The spelling of 2002112197 in words is "two billion, two million, one hundred twelve thousand, one hundred ninety-seven".