111223103171 has 2 divisors, whose sum is σ = 111223103172. Its totient is φ = 111223103170.

The previous prime is 111223103083. The next prime is 111223103219. The reversal of 111223103171 is 171301322111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111223103171 - 2²⁶ = 111155994307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111223109171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611551585 + 55611551586.

It is an arithmetic number, because the mean of its divisors is an integer number (55611551586).

Almost surely, 2^111223103171 is an apocalyptic number.

111223103171 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223103171 is an equidigital number, since it uses as much as digits as its factorization.

111223103171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 111223103171 its reverse (171301322111), we get a palindrome (282524425282).

The spelling of 111223103171 in words is "one hundred eleven billion, two hundred twenty-three million, one hundred three thousand, one hundred seventy-one".