11211101110243 has 2 divisors, whose sum is σ = 11211101110244. Its totient is φ = 11211101110242.

The previous prime is 11211101110073. The next prime is 11211101110273. The reversal of 11211101110243 is 34201110111211.

It is a strong prime.

It is an emirp because it is prime and its reverse (34201110111211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11211101110243 - 2¹⁷ = 11211100979171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211101110243.

It is not a weakly prime, because it can be changed into another prime (11211101110273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605550555121 + 5605550555122.

It is an arithmetic number, because the mean of its divisors is an integer number (5605550555122).

Almost surely, 2^{11211101110243} is an apocalyptic number.

11211101110243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211101110243 is an equidigital number, since it uses as much as digits as its factorization.

11211101110243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11211101110243 its reverse (34201110111211), we get a palindrome (45412211221454).

The spelling of 11211101110243 in words is "eleven trillion, two hundred eleven billion, one hundred one million, one hundred ten thousand, two hundred forty-three".