1100321099 has 4 divisors (see below), whose sum is σ = 1135815360. Its totient is φ = 1064826840.

The previous prime is 1100321093. The next prime is 1100321119. The reversal of 1100321099 is 9901230011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100321099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100321093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17747084 + ... + 17747145.

It is an arithmetic number, because the mean of its divisors is an integer number (283953840).

Almost surely, 2^1100321099 is an apocalyptic number.

1100321099 is a deficient number, since it is larger than the sum of its proper divisors (35494261).

1100321099 is an equidigital number, since it uses as much as digits as its factorization.

1100321099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35494260.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1100321099 is about 33171.0882999036. The cubic root of 1100321099 is about 1032.3805493551.

The spelling of 1100321099 in words is "one billion, one hundred million, three hundred twenty-one thousand, ninety-nine".