11200111021243 has 2 divisors, whose sum is σ = 11200111021244. Its totient is φ = 11200111021242.

The previous prime is 11200111021219. The next prime is 11200111021271. The reversal of 11200111021243 is 34212011100211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200111021243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200111021243.

It is not a weakly prime, because it can be changed into another prime (11200111021643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600055510621 + 5600055510622.

It is an arithmetic number, because the mean of its divisors is an integer number (5600055510622).

Almost surely, 2^{11200111021243} is an apocalyptic number.

11200111021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200111021243 is an equidigital number, since it uses as much as digits as its factorization.

11200111021243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11200111021243 its reverse (34212011100211), we get a palindrome (45412122121454).

The spelling of 11200111021243 in words is "eleven trillion, two hundred billion, one hundred eleven million, twenty-one thousand, two hundred forty-three".