12111110099993 has 2 divisors, whose sum is σ = 12111110099994. Its totient is φ = 12111110099992.

The previous prime is 12111110099953. The next prime is 12111110100059. The reversal of 12111110099993 is 39999001111121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8872218805129 + 3238891294864 = 2978627^2 + 1799692^2 .

It is a cyclic number.

It is not a de Polignac number, because 12111110099993 - 2¹² = 12111110095897 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111110099953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055555049996 + 6055555049997.

It is an arithmetic number, because the mean of its divisors is an integer number (6055555049997).

Almost surely, 2^{12111110099993} is an apocalyptic number.

It is an amenable number.

12111110099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111110099993 is an equidigital number, since it uses as much as digits as its factorization.

12111110099993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 47.

The spelling of 12111110099993 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, ninety-nine thousand, nine hundred ninety-three".