11221460171 has 2 divisors, whose sum is σ = 11221460172. Its totient is φ = 11221460170.

The previous prime is 11221460161. The next prime is 11221460183. The reversal of 11221460171 is 17106412211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11221460171 - 2²² = 11217265867 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11221460171.

It is not a weakly prime, because it can be changed into another prime (11221460111) by changing a digit.

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 as a sum of consecutive naturals, namely, 5610730085 + 5610730086.

It is an arithmetic number, because the mean of its divisors is an integer number (5610730086).

Almost surely, 2^11221460171 is an apocalyptic number.

11221460171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221460171 is an equidigital number, since it uses as much as digits as its factorization.

11221460171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 11221460171 its reverse (17106412211), we get a palindrome (28327872382).

The spelling of 11221460171 in words is "eleven billion, two hundred twenty-one million, four hundred sixty thousand, one hundred seventy-one".