1001110101091 has 2 divisors, whose sum is σ = 1001110101092. Its totient is φ = 1001110101090.

The previous prime is 1001110101071. The next prime is 1001110101179. The reversal of 1001110101091 is 1901010111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001110101091 - 2¹¹ = 1001110099043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001110101071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555050545 + 500555050546.

It is an arithmetic number, because the mean of its divisors is an integer number (500555050546).

Almost surely, 2^{1001110101091} is an apocalyptic number.

1001110101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001110101091 is an equidigital number, since it uses as much as digits as its factorization.

1001110101091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 1001110101091 its reverse (1901010111001), we get a palindrome (2902120212092).

The spelling of 1001110101091 in words is "one trillion, one billion, one hundred ten million, one hundred one thousand, ninety-one".