111101227123 has 2 divisors, whose sum is σ = 111101227124. Its totient is φ = 111101227122.

The previous prime is 111101227043. The next prime is 111101227141. The reversal of 111101227123 is 321722101111.

It is a strong prime.

It is an emirp because it is prime and its reverse (321722101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111101227123 - 2⁹ = 111101226611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111101227094 and 111101227103.

It is not a weakly prime, because it can be changed into another prime (111101227183) 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, 55550613561 + 55550613562.

It is an arithmetic number, because the mean of its divisors is an integer number (55550613562).

Almost surely, 2^111101227123 is an apocalyptic number.

111101227123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101227123 is an equidigital number, since it uses as much as digits as its factorization.

111101227123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 111101227123 its reverse (321722101111), we get a palindrome (432823328234).

The spelling of 111101227123 in words is "one hundred eleven billion, one hundred one million, two hundred twenty-seven thousand, one hundred twenty-three".