100404300091 has 2 divisors, whose sum is σ = 100404300092. Its totient is φ = 100404300090.

The previous prime is 100404300079. The next prime is 100404300107. The reversal of 100404300091 is 190003404001.

It is a weak prime.

It is an emirp because it is prime and its reverse (190003404001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100404300091 is a prime.

It is not a weakly prime, because it can be changed into another prime (100404300001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50202150045 + 50202150046.

It is an arithmetic number, because the mean of its divisors is an integer number (50202150046).

Almost surely, 2^100404300091 is an apocalyptic number.

100404300091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100404300091 is an equidigital number, since it uses as much as digits as its factorization.

100404300091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100404300091 its reverse (190003404001), we get a palindrome (290407704092).

The spelling of 100404300091 in words is "one hundred billion, four hundred four million, three hundred thousand, ninety-one".