11201143111 has 2 divisors, whose sum is σ = 11201143112. Its totient is φ = 11201143110.

The previous prime is 11201143099. The next prime is 11201143127. The reversal of 11201143111 is 11134110211.

It is an a-pointer prime, because the next prime (11201143127) can be obtained adding 11201143111 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11201143111 - 2¹⁵ = 11201110343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201143171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600571555 + 5600571556.

It is an arithmetic number, because the mean of its divisors is an integer number (5600571556).

Almost surely, 2^11201143111 is an apocalyptic number.

11201143111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201143111 is an equidigital number, since it uses as much as digits as its factorization.

11201143111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11201143111 its reverse (11134110211), we get a palindrome (22335253322).

The spelling of 11201143111 in words is "eleven billion, two hundred one million, one hundred forty-three thousand, one hundred eleven".