1123211102223 has 16 divisors (see below), whose sum is σ = 1714567806720. Its totient is φ = 640706903616.

The previous prime is 1123211102213. The next prime is 1123211102311. The reversal of 1123211102223 is 3222011123211.

It is not a de Polignac number, because 1123211102223 - 2⁶ = 1123211102159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1123211102223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123211102213) 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, 46988265 + ... + 47012162.

It is an arithmetic number, because the mean of its divisors is an integer number (107160487920).

Almost surely, 2^{1123211102223} is an apocalyptic number.

1123211102223 is a deficient number, since it is larger than the sum of its proper divisors (591356704497).

1123211102223 is an equidigital number, since it uses as much as digits as its factorization.

1123211102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94001006.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1123211102223 its reverse (3222011123211), we get a palindrome (4345222225434).

The spelling of 1123211102223 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, one hundred two thousand, two hundred twenty-three".