2011124173 has 2 divisors, whose sum is σ = 2011124174. Its totient is φ = 2011124172.

The previous prime is 2011124099. The next prime is 2011124177. The reversal of 2011124173 is 3714211102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1321904164 + 689220009 = 36358^2 + 26253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011124173 - 2⁹ = 2011123661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011124177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005562086 + 1005562087.

It is an arithmetic number, because the mean of its divisors is an integer number (1005562087).

Almost surely, 2^2011124173 is an apocalyptic number.

It is an amenable number.

2011124173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011124173 is an equidigital number, since it uses as much as digits as its factorization.

2011124173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 2011124173 is about 44845.5591223925. The cubic root of 2011124173 is about 1262.2526623008.

Adding to 2011124173 its reverse (3714211102), we get a palindrome (5725335275).

The spelling of 2011124173 in words is "two billion, eleven million, one hundred twenty-four thousand, one hundred seventy-three".