11021199173 has 2 divisors, whose sum is σ = 11021199174. Its totient is φ = 11021199172.

The previous prime is 11021199149. The next prime is 11021199199. The reversal of 11021199173 is 37199112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6089929444 + 4931269729 = 78038^2 + 70223^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021199173 - 2¹⁴ = 11021182789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021192173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510599586 + 5510599587.

It is an arithmetic number, because the mean of its divisors is an integer number (5510599587).

Almost surely, 2^11021199173 is an apocalyptic number.

It is an amenable number.

11021199173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021199173 is an equidigital number, since it uses as much as digits as its factorization.

11021199173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 35.

The spelling of 11021199173 in words is "eleven billion, twenty-one million, one hundred ninety-nine thousand, one hundred seventy-three".