1100333320991 has 2 divisors, whose sum is σ = 1100333320992. Its totient is φ = 1100333320990.

The previous prime is 1100333320987. The next prime is 1100333321047. The reversal of 1100333320991 is 1990233330011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100333320991 - 2² = 1100333320987 is a prime.

It is a super-3 number, since 3×1100333320991³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100333320901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550166660495 + 550166660496.

It is an arithmetic number, because the mean of its divisors is an integer number (550166660496).

Almost surely, 2^{1100333320991} is an apocalyptic number.

1100333320991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100333320991 is an equidigital number, since it uses as much as digits as its factorization.

1100333320991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 1100333320991 in words is "one trillion, one hundred billion, three hundred thirty-three million, three hundred twenty thousand, nine hundred ninety-one".