11321220113223 has 16 divisors (see below), whose sum is σ = 15531273870720. Its totient is φ = 7330069053216.

The previous prime is 11321220113213. The next prime is 11321220113237. The reversal of 11321220113223 is 32231102212311.

It is not a de Polignac number, because 11321220113223 - 2⁵ = 11321220113191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11321220113193 and 11321220113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321220113213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93168693 + ... + 93290126.

It is an arithmetic number, because the mean of its divisors is an integer number (970704616920).

Almost surely, 2^{11321220113223} is an apocalyptic number.

11321220113223 is a deficient number, since it is larger than the sum of its proper divisors (4210053757497).

11321220113223 is a wasteful number, since it uses less digits than its factorization.

11321220113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186459406.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321220113223 its reverse (32231102212311), we get a palindrome (43552322325534).

The spelling of 11321220113223 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty million, one hundred thirteen thousand, two hundred twenty-three".