11210211211993 has 2 divisors, whose sum is σ = 11210211211994. Its totient is φ = 11210211211992.

The previous prime is 11210211211957. The next prime is 11210211212003. The reversal of 11210211211993 is 39911211201211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8915431600384 + 2294779611609 = 2985872^2 + 1514853^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210211211993 - 2⁹ = 11210211211481 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210211211093) 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, 5605105605996 + 5605105605997.

It is an arithmetic number, because the mean of its divisors is an integer number (5605105605997).

Almost surely, 2^{11210211211993} is an apocalyptic number.

It is an amenable number.

11210211211993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210211211993 is an equidigital number, since it uses as much as digits as its factorization.

11210211211993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 34.

The spelling of 11210211211993 in words is "eleven trillion, two hundred ten billion, two hundred eleven million, two hundred eleven thousand, nine hundred ninety-three".