11122170305 has 8 divisors (see below), whose sum is σ = 13348996800. Its totient is φ = 8896141296.

The previous prime is 11122170271. The next prime is 11122170317. The reversal of 11122170305 is 50307122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122170305 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168245 + ... + 224834.

It is an arithmetic number, because the mean of its divisors is an integer number (1668624600).

Almost surely, 2^11122170305 is an apocalyptic number.

It is an amenable number.

11122170305 is a deficient number, since it is larger than the sum of its proper divisors (2226826495).

11122170305 is an equidigital number, since it uses as much as digits as its factorization.

11122170305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398743.

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 11122170305 its reverse (50307122111), we get a palindrome (61429292416).

The spelling of 11122170305 in words is "eleven billion, one hundred twenty-two million, one hundred seventy thousand, three hundred five".