100201616197 has 2 divisors, whose sum is σ = 100201616198. Its totient is φ = 100201616196.

The previous prime is 100201616191. The next prime is 100201616227. The reversal of 100201616197 is 791616102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62597037636 + 37604578561 = 250194^2 + 193919^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100201616197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100201616191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100808098 + 50100808099.

It is an arithmetic number, because the mean of its divisors is an integer number (50100808099).

Almost surely, 2^100201616197 is an apocalyptic number.

It is an amenable number.

100201616197 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201616197 is an equidigital number, since it uses as much as digits as its factorization.

100201616197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 100201616197 its reverse (791616102001), we get a palindrome (891817718198).

The spelling of 100201616197 in words is "one hundred billion, two hundred one million, six hundred sixteen thousand, one hundred ninety-seven".