1100340091 has 2 divisors, whose sum is σ = 1100340092. Its totient is φ = 1100340090.

The previous prime is 1100340089. The next prime is 1100340097. The reversal of 1100340091 is 1900430011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1900430011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100340091 - 2¹ = 1100340089 is a prime.

Together with 1100340089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1100340097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550170045 + 550170046.

It is an arithmetic number, because the mean of its divisors is an integer number (550170046).

Almost surely, 2^1100340091 is an apocalyptic number.

1100340091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100340091 is an equidigital number, since it uses as much as digits as its factorization.

1100340091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1100340091 is about 33171.3745720614. The cubic root of 1100340091 is about 1032.3864890935.

The spelling of 1100340091 in words is "one billion, one hundred million, three hundred forty thousand, ninety-one".