111012120227 has 2 divisors, whose sum is σ = 111012120228. Its totient is φ = 111012120226.

The previous prime is 111012120221. The next prime is 111012120253. The reversal of 111012120227 is 722021210111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012120227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111012120199 and 111012120208.

It is not a weakly prime, because it can be changed into another prime (111012120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506060113 + 55506060114.

It is an arithmetic number, because the mean of its divisors is an integer number (55506060114).

Almost surely, 2^111012120227 is an apocalyptic number.

111012120227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012120227 is an equidigital number, since it uses as much as digits as its factorization.

111012120227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 111012120227 its reverse (722021210111), we get a palindrome (833033330338).

The spelling of 111012120227 in words is "one hundred eleven billion, twelve million, one hundred twenty thousand, two hundred twenty-seven".