100300000091 has 2 divisors, whose sum is σ = 100300000092. Its totient is φ = 100300000090.

The previous prime is 100300000079. The next prime is 100300000111. The reversal of 100300000091 is 190000003001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100300000091 - 2⁶ = 100300000027 is a prime.

It is not a weakly prime, because it can be changed into another prime (100300000291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50150000045 + 50150000046.

It is an arithmetic number, because the mean of its divisors is an integer number (50150000046).

Almost surely, 2^100300000091 is an apocalyptic number.

100300000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100300000091 is an equidigital number, since it uses as much as digits as its factorization.

100300000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 100300000091 its reverse (190000003001), we get a palindrome (290300003092).

The spelling of 100300000091 in words is "one hundred billion, three hundred million, ninety-one", and thus it is an aban number.