11201111223 has 8 divisors (see below), whose sum is σ = 14937347568. Its totient is φ = 7466141184.

The previous prime is 11201111203. The next prime is 11201111227. The reversal of 11201111223 is 32211110211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11201111223 - 2⁸ = 11201110967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201111227) 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 7 ways as a sum of consecutive naturals, for example, 295740 + ... + 331457.

It is an arithmetic number, because the mean of its divisors is an integer number (1867168446).

Almost surely, 2^11201111223 is an apocalyptic number.

11201111223 is a deficient number, since it is larger than the sum of its proper divisors (3736236345).

11201111223 is an equidigital number, since it uses as much as digits as its factorization.

11201111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633153.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11201111223 its reverse (32211110211), we get a palindrome (43412221434).

The spelling of 11201111223 in words is "eleven billion, two hundred one million, one hundred eleven thousand, two hundred twenty-three".