11202111001111 has 4 divisors (see below), whose sum is σ = 11215091431872. Its totient is φ = 11189130570352.

The previous prime is 11202111001091. The next prime is 11202111001157. The reversal of 11202111001111 is 11110011120211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11202111001111 - 2³⁹ = 10652355187223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202111001091 and 11202111001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202115001111) 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 in 3 ways as a sum of consecutive naturals, for example, 6490214086 + ... + 6490215811.

It is an arithmetic number, because the mean of its divisors is an integer number (2803772857968).

Almost surely, 2^{11202111001111} is an apocalyptic number.

11202111001111 is a deficient number, since it is larger than the sum of its proper divisors (12980430761).

11202111001111 is an equidigital number, since it uses as much as digits as its factorization.

11202111001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12980430760.

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

Adding to 11202111001111 its reverse (11110011120211), we get a palindrome (22312122121322).

The spelling of 11202111001111 in words is "eleven trillion, two hundred two billion, one hundred eleven million, one thousand, one hundred eleven".