200102200110991 has 2 divisors, whose sum is σ = 200102200110992. Its totient is φ = 200102200110990.

The previous prime is 200102200110983. The next prime is 200102200111039. The reversal of 200102200110991 is 199011002201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200102200110991 - 2³ = 200102200110983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200102200110971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051100055495 + 100051100055496.

It is an arithmetic number, because the mean of its divisors is an integer number (100051100055496).

Almost surely, 2^{200102200110991} is an apocalyptic number.

200102200110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102200110991 is an equidigital number, since it uses as much as digits as its factorization.

200102200110991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

Adding to 200102200110991 its reverse (199011002201002), we get a palindrome (399113202311993).

The spelling of 200102200110991 in words is "two hundred trillion, one hundred two billion, two hundred million, one hundred ten thousand, nine hundred ninety-one".