1000200100091 has 2 divisors, whose sum is σ = 1000200100092. Its totient is φ = 1000200100090.

The previous prime is 1000200100061. The next prime is 1000200100103. The reversal of 1000200100091 is 1900010020001.

1000200100091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000200100091 - 2¹⁸ = 1000199837947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000200100061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100050045 + 500100050046.

It is an arithmetic number, because the mean of its divisors is an integer number (500100050046).

Almost surely, 2^{1000200100091} is an apocalyptic number.

1000200100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200100091 is an equidigital number, since it uses as much as digits as its factorization.

1000200100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1000200100091 its reverse (1900010020001), we get a palindrome (2900210120092).

The spelling of 1000200100091 in words is "one trillion, two hundred million, one hundred thousand, ninety-one".