112112111209993 has 2 divisors, whose sum is σ = 112112111209994. Its totient is φ = 112112111209992.

The previous prime is 112112111209991. The next prime is 112112111210119. The reversal of 112112111209993 is 399902111211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105984718932544 + 6127392277449 = 10294888^2 + 2475357^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112111209993 - 2¹ = 112112111209991 is a prime.

Together with 112112111209991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112112111209991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056055604996 + 56056055604997.

It is an arithmetic number, because the mean of its divisors is an integer number (56056055604997).

Almost surely, 2^{112112111209993} is an apocalyptic number.

It is an amenable number.

112112111209993 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112111209993 is an equidigital number, since it uses as much as digits as its factorization.

112112111209993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 43.

The spelling of 112112111209993 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred nine thousand, nine hundred ninety-three".