111211112110027 has 2 divisors, whose sum is σ = 111211112110028. Its totient is φ = 111211112110026.

The previous prime is 111211112110009. The next prime is 111211112110039. The reversal of 111211112110027 is 720011211112111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211112110027 is a prime.

It is a super-2 number, since 2×111211112110027² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111211112110327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605556055013 + 55605556055014.

It is an arithmetic number, because the mean of its divisors is an integer number (55605556055014).

Almost surely, 2^{111211112110027} is an apocalyptic number.

111211112110027 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211112110027 is an equidigital number, since it uses as much as digits as its factorization.

111211112110027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 22.

Adding to 111211112110027 its reverse (720011211112111), we get a palindrome (831222323222138).

The spelling of 111211112110027 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred twelve million, one hundred ten thousand, twenty-seven".