112111212529 has 2 divisors, whose sum is σ = 112111212530. Its totient is φ = 112111212528.

The previous prime is 112111212461. The next prime is 112111212533. The reversal of 112111212529 is 925212111211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98139972529 + 13971240000 = 313273^2 + 118200^2 .

It is a cyclic number.

It is not a de Polignac number, because 112111212529 - 2⁷ = 112111212401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112111212497 and 112111212506.

It is not a weakly prime, because it can be changed into another prime (112111212569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055606264 + 56055606265.

It is an arithmetic number, because the mean of its divisors is an integer number (56055606265).

Almost surely, 2^112111212529 is an apocalyptic number.

It is an amenable number.

112111212529 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111212529 is an equidigital number, since it uses as much as digits as its factorization.

112111212529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 28.

The spelling of 112111212529 in words is "one hundred twelve billion, one hundred eleven million, two hundred twelve thousand, five hundred twenty-nine".