11010211111993 has 2 divisors, whose sum is σ = 11010211111994. Its totient is φ = 11010211111992.

The previous prime is 11010211111981. The next prime is 11010211112023. The reversal of 11010211111993 is 39911111201011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6195578984464 + 4814632127529 = 2489092^2 + 2194227^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010211111993 - 2²¹ = 11010209014841 is a prime.

It is not a weakly prime, because it can be changed into another prime (11010211118993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505105555996 + 5505105555997.

It is an arithmetic number, because the mean of its divisors is an integer number (5505105555997).

Almost surely, 2^{11010211111993} is an apocalyptic number.

It is an amenable number.

11010211111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010211111993 is an equidigital number, since it uses as much as digits as its factorization.

11010211111993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 31.

The spelling of 11010211111993 in words is "eleven trillion, ten billion, two hundred eleven million, one hundred eleven thousand, nine hundred ninety-three".