11031121193 has 2 divisors, whose sum is σ = 11031121194. Its totient is φ = 11031121192.

The previous prime is 11031121187. The next prime is 11031121219. The reversal of 11031121193 is 39112113011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7785768169 + 3245353024 = 88237^2 + 56968^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031121193 - 2⁸ = 11031120937 is a prime.

It is not a weakly prime, because it can be changed into another prime (11031121093) 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 as a sum of consecutive naturals, namely, 5515560596 + 5515560597.

It is an arithmetic number, because the mean of its divisors is an integer number (5515560597).

Almost surely, 2^11031121193 is an apocalyptic number.

It is an amenable number.

11031121193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031121193 is an equidigital number, since it uses as much as digits as its factorization.

11031121193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 11031121193 in words is "eleven billion, thirty-one million, one hundred twenty-one thousand, one hundred ninety-three".