1009100910011 has 2 divisors, whose sum is σ = 1009100910012. Its totient is φ = 1009100910010.

The previous prime is 1009100909981. The next prime is 1009100910049. The reversal of 1009100910011 is 1100190019001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1100190019001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009100910011 - 2²⁶ = 1009033801147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009100910061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504550455005 + 504550455006.

It is an arithmetic number, because the mean of its divisors is an integer number (504550455006).

Almost surely, 2^{1009100910011} is an apocalyptic number.

1009100910011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009100910011 is an equidigital number, since it uses as much as digits as its factorization.

1009100910011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 23.

Adding to 1009100910011 its reverse (1100190019001), we get a palindrome (2109290929012).

The spelling of 1009100910011 in words is "one trillion, nine billion, one hundred million, nine hundred ten thousand, eleven".