2172066011 has 2 divisors, whose sum is σ = 2172066012. Its totient is φ = 2172066010.

The previous prime is 2172065969. The next prime is 2172066031. The reversal of 2172066011 is 1106602712.

2172066011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2172066011 - 2¹⁰ = 2172064987 is a prime.

It is a super-2 number, since 2×2172066011² = 9435741512282904242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2172066031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086033005 + 1086033006.

It is an arithmetic number, because the mean of its divisors is an integer number (1086033006).

Almost surely, 2^2172066011 is an apocalyptic number.

2172066011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2172066011 is an equidigital number, since it uses as much as digits as its factorization.

2172066011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2172066011 is about 46605.4289863316. The cubic root of 2172066011 is about 1295.0633304846.

Adding to 2172066011 its reverse (1106602712), we get a palindrome (3278668723).

The spelling of 2172066011 in words is "two billion, one hundred seventy-two million, sixty-six thousand, eleven".