1100001099823 has 2 divisors, whose sum is σ = 1100001099824. Its totient is φ = 1100001099822.

The previous prime is 1100001099721. The next prime is 1100001099853. The reversal of 1100001099823 is 3289901000011.

It is a strong prime.

It is an emirp because it is prime and its reverse (3289901000011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100001099823 - 2²⁹ = 1099464228911 is a prime.

It is a super-2 number, since 2×1100001099823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100001099853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000549911 + 550000549912.

It is an arithmetic number, because the mean of its divisors is an integer number (550000549912).

Almost surely, 2^{1100001099823} is an apocalyptic number.

1100001099823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100001099823 is an equidigital number, since it uses as much as digits as its factorization.

1100001099823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

Adding to 1100001099823 its reverse (3289901000011), we get a palindrome (4389902099834).

The spelling of 1100001099823 in words is "one trillion, one hundred billion, one million, ninety-nine thousand, eight hundred twenty-three".