11002120120171 has 2 divisors, whose sum is σ = 11002120120172. Its totient is φ = 11002120120170.

The previous prime is 11002120120111. The next prime is 11002120120193. The reversal of 11002120120171 is 17102102120011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11002120120171 - 2²⁷ = 11001985902443 is a prime.

It is not a weakly prime, because it can be changed into another prime (11002120120111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501060060085 + 5501060060086.

It is an arithmetic number, because the mean of its divisors is an integer number (5501060060086).

Almost surely, 2^{11002120120171} is an apocalyptic number.

11002120120171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002120120171 is an equidigital number, since it uses as much as digits as its factorization.

11002120120171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 11002120120171 its reverse (17102102120011), we get a palindrome (28104222240182).

The spelling of 11002120120171 in words is "eleven trillion, two billion, one hundred twenty million, one hundred twenty thousand, one hundred seventy-one".