2171106427111 has 2 divisors, whose sum is σ = 2171106427112. Its totient is φ = 2171106427110.

The previous prime is 2171106427079. The next prime is 2171106427261. The reversal of 2171106427111 is 1117246011712.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2171106427111 - 2⁵ = 2171106427079 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171106487111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085553213555 + 1085553213556.

It is an arithmetic number, because the mean of its divisors is an integer number (1085553213556).

Almost surely, 2^{2171106427111} is an apocalyptic number.

2171106427111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171106427111 is an equidigital number, since it uses as much as digits as its factorization.

2171106427111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 34.

The spelling of 2171106427111 in words is "two trillion, one hundred seventy-one billion, one hundred six million, four hundred twenty-seven thousand, one hundred eleven".