11201100021111 has 128 divisors (see below), whose sum is σ = 20600075059200. Its totient is φ = 5224518351360.

The previous prime is 11201100021109. The next prime is 11201100021191. The reversal of 11201100021111 is 11112000110211.

It is not a de Polignac number, because 11201100021111 - 2¹ = 11201100021109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201100021191) 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 in 127 ways as a sum of consecutive naturals, for example, 462098530 + ... + 462122768.

It is an arithmetic number, because the mean of its divisors is an integer number (160938086400).

Almost surely, 2^{11201100021111} is an apocalyptic number.

11201100021111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11201100021111 is a deficient number, since it is larger than the sum of its proper divisors (9398975038089).

11201100021111 is a wasteful number, since it uses less digits than its factorization.

11201100021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28469.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11201100021111 its reverse (11112000110211), we get a palindrome (22313100131322).

The spelling of 11201100021111 in words is "eleven trillion, two hundred one billion, one hundred million, twenty-one thousand, one hundred eleven".