221213013323223 has 16 divisors (see below), whose sum is σ = 295492714246656. Its totient is φ = 147204332446080.

The previous prime is 221213013323209. The next prime is 221213013323251. The reversal of 221213013323223 is 322323310312122.

It is not a de Polignac number, because 221213013323223 - 2²⁸ = 221212744887767 is a prime.

It is a super-3 number, since 3×221213013323223³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221213013323723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188693503 + ... + 189862223.

It is an arithmetic number, because the mean of its divisors is an integer number (18468294640416).

Almost surely, 2^{221213013323223} is an apocalyptic number.

221213013323223 is a deficient number, since it is larger than the sum of its proper divisors (74279700923433).

221213013323223 is a wasteful number, since it uses less digits than its factorization.

221213013323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284614.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 221213013323223 its reverse (322323310312122), we get a palindrome (543536323635345).

The spelling of 221213013323223 in words is "two hundred twenty-one trillion, two hundred thirteen billion, thirteen million, three hundred twenty-three thousand, two hundred twenty-three".