2171011 has 2 divisors, whose sum is σ = 2171012. Its totient is φ = 2171010.

The previous prime is 2171003. The next prime is 2171017. The reversal of 2171011 is 1101712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2171011 - 2³ = 2171003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2170982 and 2171000.

It is not a weakly prime, because it can be changed into another prime (2171017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085505 + 1085506.

It is an arithmetic number, because the mean of its divisors is an integer number (1085506).

2^2171011 is an apocalyptic number.

2171011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171011 is an equidigital number, since it uses as much as digits as its factorization.

2171011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 2171011 is about 1473.4351020659. The cubic root of 2171011 is about 129.4853618115.

Adding to 2171011 its reverse (1101712), we get a palindrome (3272723).

The spelling of 2171011 in words is "two million, one hundred seventy-one thousand, eleven".