11011121200111 has 2 divisors, whose sum is σ = 11011121200112. Its totient is φ = 11011121200110.

The previous prime is 11011121200103. The next prime is 11011121200127. The reversal of 11011121200111 is 11100212111011.

It is a weak prime.

It is an emirp because it is prime and its reverse (11100212111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11011121200111 - 2³ = 11011121200103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011121200091 and 11011121200100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011121200171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505560600055 + 5505560600056.

It is an arithmetic number, because the mean of its divisors is an integer number (5505560600056).

Almost surely, 2^{11011121200111} is an apocalyptic number.

11011121200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011121200111 is an equidigital number, since it uses as much as digits as its factorization.

11011121200111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11011121200111 its reverse (11100212111011), we get a palindrome (22111333311122).

The spelling of 11011121200111 in words is "eleven trillion, eleven billion, one hundred twenty-one million, two hundred thousand, one hundred eleven".