111111011011027 has 2 divisors, whose sum is σ = 111111011011028. Its totient is φ = 111111011011026.

The previous prime is 111111011011003. The next prime is 111111011011073. The reversal of 111111011011027 is 720110110111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111111011011027 - 2²³ = 111111002622419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111111011010995 and 111111011011013.

It is not a weakly prime, because it can be changed into another prime (111111011011127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555505505513 + 55555505505514.

It is an arithmetic number, because the mean of its divisors is an integer number (55555505505514).

Almost surely, 2^{111111011011027} is an apocalyptic number.

111111011011027 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111011011027 is an equidigital number, since it uses as much as digits as its factorization.

111111011011027 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 19.

Adding to 111111011011027 its reverse (720110110111111), we get a palindrome (831221121122138).

The spelling of 111111011011027 in words is "one hundred eleven trillion, one hundred eleven billion, eleven million, eleven thousand, twenty-seven".