11102001121171 has 2 divisors, whose sum is σ = 11102001121172. Its totient is φ = 11102001121170.

The previous prime is 11102001121163. The next prime is 11102001121181. The reversal of 11102001121171 is 17112110020111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11102001121171 - 2³ = 11102001121163 is a prime.

It is a super-2 number, since 2×11102001121171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11102001121121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551000560585 + 5551000560586.

It is an arithmetic number, because the mean of its divisors is an integer number (5551000560586).

Almost surely, 2^{11102001121171} is an apocalyptic number.

11102001121171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102001121171 is an equidigital number, since it uses as much as digits as its factorization.

11102001121171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 11102001121171 its reverse (17112110020111), we get a palindrome (28214111141282).

The spelling of 11102001121171 in words is "eleven trillion, one hundred two billion, one million, one hundred twenty-one thousand, one hundred seventy-one".