200102102197 has 2 divisors, whose sum is σ = 200102102198. Its totient is φ = 200102102196.

The previous prime is 200102102173. The next prime is 200102102261. The reversal of 200102102197 is 791201201002.

200102102197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133872564996 + 66229537201 = 365886^2 + 257351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200102102197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200102102117) 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, 100051051098 + 100051051099.

It is an arithmetic number, because the mean of its divisors is an integer number (100051051099).

Almost surely, 2^200102102197 is an apocalyptic number.

It is an amenable number.

200102102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102102197 is an equidigital number, since it uses as much as digits as its factorization.

200102102197 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.

Adding to 200102102197 its reverse (791201201002), we get a palindrome (991303303199).

The spelling of 200102102197 in words is "two hundred billion, one hundred two million, one hundred two thousand, one hundred ninety-seven".