11013201223 has 4 divisors (see below), whose sum is σ = 11015253288. Its totient is φ = 11011149160.

The previous prime is 11013201203. The next prime is 11013201259. The reversal of 11013201223 is 32210231011.

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

It is a cyclic number.

It is not a de Polignac number, because 11013201223 - 2⁵ = 11013201191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11013201197 and 11013201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013201203) 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, 1017961 + ... + 1028722.

It is an arithmetic number, because the mean of its divisors is an integer number (2753813322).

Almost surely, 2^11013201223 is an apocalyptic number.

11013201223 is a deficient number, since it is larger than the sum of its proper divisors (2052065).

11013201223 is an equidigital number, since it uses as much as digits as its factorization.

11013201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052064.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11013201223 its reverse (32210231011), we get a palindrome (43223432234).

The spelling of 11013201223 in words is "eleven billion, thirteen million, two hundred one thousand, two hundred twenty-three".