2011123027 has 2 divisors, whose sum is σ = 2011123028. Its totient is φ = 2011123026.

The previous prime is 2011123007. The next prime is 2011123061. The reversal of 2011123027 is 7203211102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011123027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011122995 and 2011123013.

It is not a weakly prime, because it can be changed into another prime (2011123007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005561513 + 1005561514.

It is an arithmetic number, because the mean of its divisors is an integer number (1005561514).

Almost surely, 2^2011123027 is an apocalyptic number.

2011123027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011123027 is an equidigital number, since it uses as much as digits as its factorization.

2011123027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2011123027 is about 44845.5463452058. The cubic root of 2011123027 is about 1262.2524225441.

Adding to 2011123027 its reverse (7203211102), we get a palindrome (9214334129).

The spelling of 2011123027 in words is "two billion, eleven million, one hundred twenty-three thousand, twenty-seven".