221232120000223 has 16 divisors (see below), whose sum is σ = 226439112190720. Its totient is φ = 216027956479104.

The previous prime is 221232120000149. The next prime is 221232120000233. The reversal of 221232120000223 is 322000021232122.

It is a cyclic number.

It is not a de Polignac number, because 221232120000223 - 2¹³ = 221232119992031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221232120000194 and 221232120000203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221232120000233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952519223 + ... + 2952594151.

It is an arithmetic number, because the mean of its divisors is an integer number (14152444511920).

Almost surely, 2^{221232120000223} is an apocalyptic number.

221232120000223 is a deficient number, since it is larger than the sum of its proper divisors (5206992190497).

221232120000223 is a wasteful number, since it uses less digits than its factorization.

221232120000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92878.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221232120000223 its reverse (322000021232122), we get a palindrome (543232141232345).

The spelling of 221232120000223 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, one hundred twenty million, two hundred twenty-three", and thus it is an aban number.