11221001012223 has 24 divisors (see below), whose sum is σ = 16933023076320. Its totient is φ = 7151201265600.

The previous prime is 11221001012203. The next prime is 11221001012227. The reversal of 11221001012223 is 32221010012211.

It is not a de Polignac number, because 11221001012223 - 2⁶ = 11221001012159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221001012196 and 11221001012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221001012227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212807011 + ... + 212859732.

It is an arithmetic number, because the mean of its divisors is an integer number (705542628180).

Almost surely, 2^{11221001012223} is an apocalyptic number.

11221001012223 is a deficient number, since it is larger than the sum of its proper divisors (5712022064097).

11221001012223 is a wasteful number, since it uses less digits than its factorization.

11221001012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425666879 (or 425666876 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11221001012223 its reverse (32221010012211), we get a palindrome (43442011024434).

The spelling of 11221001012223 in words is "eleven trillion, two hundred twenty-one billion, one million, twelve thousand, two hundred twenty-three".