12221110223 has 16 divisors (see below), whose sum is σ = 14173470720. Its totient is φ = 10320576000.

The previous prime is 12221110189. The next prime is 12221110243. The reversal of 12221110223 is 32201112221.

It is not a de Polignac number, because 12221110223 - 2¹⁴ = 12221093839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221110243) 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, 788018 + ... + 803376.

It is an arithmetic number, because the mean of its divisors is an integer number (885841920).

Almost surely, 2^12221110223 is an apocalyptic number.

12221110223 is a deficient number, since it is larger than the sum of its proper divisors (1952360497).

12221110223 is a wasteful number, since it uses less digits than its factorization.

12221110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17038.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12221110223 its reverse (32201112221), we get a palindrome (44422222444).

The spelling of 12221110223 in words is "twelve billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-three".