100910991011 has 2 divisors, whose sum is σ = 100910991012. Its totient is φ = 100910991010.

The previous prime is 100910990927. The next prime is 100910991017. The reversal of 100910991011 is 110199019001.

It is a strong prime.

It is an emirp because it is prime and its reverse (110199019001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100910991011 - 2¹⁴ = 100910974627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100910991017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50455495505 + 50455495506.

It is an arithmetic number, because the mean of its divisors is an integer number (50455495506).

Almost surely, 2^100910991011 is an apocalyptic number.

100910991011 is a deficient number, since it is larger than the sum of its proper divisors (1).

100910991011 is an equidigital number, since it uses as much as digits as its factorization.

100910991011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 100910991011 in words is "one hundred billion, nine hundred ten million, nine hundred ninety-one thousand, eleven".