1000110001091 has 2 divisors, whose sum is σ = 1000110001092. Its totient is φ = 1000110001090.

The previous prime is 1000110001021. The next prime is 1000110001133. The reversal of 1000110001091 is 1901000110001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000110001091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000110001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500055000545 + 500055000546.

It is an arithmetic number, because the mean of its divisors is an integer number (500055000546).

Almost surely, 2^{1000110001091} is an apocalyptic number.

1000110001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000110001091 is an equidigital number, since it uses as much as digits as its factorization.

1000110001091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 1000110001091 its reverse (1901000110001), we get a palindrome (2901110111092).

The spelling of 1000110001091 in words is "one trillion, one hundred ten million, one thousand, ninety-one".