11200221022111 has 4 divisors (see below), whose sum is σ = 12218422933224. Its totient is φ = 10182019111000.

The previous prime is 11200221022073. The next prime is 11200221022153. The reversal of 11200221022111 is 11122012200211.

11200221022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-11200221022111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200221062111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509100955540 + ... + 509100955561.

It is an arithmetic number, because the mean of its divisors is an integer number (3054605733306).

Almost surely, 2^{11200221022111} is an apocalyptic number.

11200221022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11200221022111 is a deficient number, since it is larger than the sum of its proper divisors (1018201911113).

11200221022111 is a wasteful number, since it uses less digits than its factorization.

11200221022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018201911112.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11200221022111 its reverse (11122012200211), we get a palindrome (22322233222322).

The spelling of 11200221022111 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, twenty-two thousand, one hundred eleven".