112111011121 has 2 divisors, whose sum is σ = 112111011122. Its totient is φ = 112111011120.

The previous prime is 112111011097. The next prime is 112111011163. The reversal of 112111011121 is 121110111211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104639310400 + 7471700721 = 323480^2 + 86439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112111011121 is a prime.

It is not a weakly prime, because it can be changed into another prime (112111011191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055505560 + 56055505561.

It is an arithmetic number, because the mean of its divisors is an integer number (56055505561).

Almost surely, 2^112111011121 is an apocalyptic number.

It is an amenable number.

112111011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111011121 is an equidigital number, since it uses as much as digits as its factorization.

112111011121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 112111011121 its reverse (121110111211), we get a palindrome (233221122332).

The spelling of 112111011121 in words is "one hundred twelve billion, one hundred eleven million, eleven thousand, one hundred twenty-one".