111231130111163 has 2 divisors, whose sum is σ = 111231130111164. Its totient is φ = 111231130111162.

The previous prime is 111231130111139. The next prime is 111231130111177. The reversal of 111231130111163 is 361111031132111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111231130111163 - 2¹⁶ = 111231130045627 is a prime.

It is not a weakly prime, because it can be changed into another prime (111231430111163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615565055581 + 55615565055582.

It is an arithmetic number, because the mean of its divisors is an integer number (55615565055582).

Almost surely, 2^{111231130111163} is an apocalyptic number.

111231130111163 is a deficient number, since it is larger than the sum of its proper divisors (1).

111231130111163 is an equidigital number, since it uses as much as digits as its factorization.

111231130111163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

Adding to 111231130111163 its reverse (361111031132111), we get a palindrome (472342161243274).

The spelling of 111231130111163 in words is "one hundred eleven trillion, two hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, one hundred sixty-three".