111200120021227 has 2 divisors, whose sum is σ = 111200120021228. Its totient is φ = 111200120021226.

The previous prime is 111200120021191. The next prime is 111200120021261. The reversal of 111200120021227 is 722120021002111.

It is a strong prime.

It is an emirp because it is prime and its reverse (722120021002111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200120021227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111200120021198 and 111200120021207.

It is not a weakly prime, because it can be changed into another prime (111200120021527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600060010613 + 55600060010614.

It is an arithmetic number, because the mean of its divisors is an integer number (55600060010614).

Almost surely, 2^{111200120021227} is an apocalyptic number.

111200120021227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200120021227 is an equidigital number, since it uses as much as digits as its factorization.

111200120021227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 111200120021227 its reverse (722120021002111), we get a palindrome (833320141023338).

The spelling of 111200120021227 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty million, twenty-one thousand, two hundred twenty-seven".