221110223223 has 32 divisors (see below), whose sum is σ = 320651495424. Its totient is φ = 134961265152.

The previous prime is 221110223221. The next prime is 221110223227. The reversal of 221110223223 is 322322011122.

It is not a de Polignac number, because 221110223223 - 2¹ = 221110223221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221110223223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221110223221) 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, 20009886 + ... + 20020932.

It is an arithmetic number, because the mean of its divisors is an integer number (10020359232).

Almost surely, 2^221110223223 is an apocalyptic number.

221110223223 is a deficient number, since it is larger than the sum of its proper divisors (99541272201).

221110223223 is a wasteful number, since it uses less digits than its factorization.

221110223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21711.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221110223223 its reverse (322322011122), we get a palindrome (543432234345).

The spelling of 221110223223 in words is "two hundred twenty-one billion, one hundred ten million, two hundred twenty-three thousand, two hundred twenty-three".