111112111001027 has 2 divisors, whose sum is σ = 111112111001028. Its totient is φ = 111112111001026.

The previous prime is 111112111000927. The next prime is 111112111001083. The reversal of 111112111001027 is 720100111211111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111112111001027 - 2³⁰ = 111111037259203 is a prime.

It is a super-2 number, since 2×111112111001027² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111112111021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556055500513 + 55556055500514.

It is an arithmetic number, because the mean of its divisors is an integer number (55556055500514).

Almost surely, 2^{111112111001027} is an apocalyptic number.

111112111001027 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112111001027 is an equidigital number, since it uses as much as digits as its factorization.

111112111001027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 20.

Adding to 111112111001027 its reverse (720100111211111), we get a palindrome (831212222212138).

The spelling of 111112111001027 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred eleven million, one thousand, twenty-seven".