11021112223 has 32 divisors (see below), whose sum is σ = 12934458432. Its totient is φ = 9279744000.

The previous prime is 11021112209. The next prime is 11021112229. The reversal of 11021112223 is 32221112011.

It is a cyclic number.

It is not a de Polignac number, because 11021112223 - 2⁵ = 11021112191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021112197 and 11021112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021112229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3265765 + ... + 3269137.

It is an arithmetic number, because the mean of its divisors is an integer number (404201826).

Almost surely, 2^11021112223 is an apocalyptic number.

11021112223 is a deficient number, since it is larger than the sum of its proper divisors (1913346209).

11021112223 is a wasteful number, since it uses less digits than its factorization.

11021112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11021112223 its reverse (32221112011), we get a palindrome (43242224234).

The spelling of 11021112223 in words is "eleven billion, twenty-one million, one hundred twelve thousand, two hundred twenty-three".