221003112223 has 8 divisors (see below), whose sum is σ = 226626985728. Its totient is φ = 215401250904.

The previous prime is 221003112221. The next prime is 221003112227. The reversal of 221003112223 is 322211300122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221003112223 - 2¹ = 221003112221 is a prime.

It is a super-2 number, since 2×221003112223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221003112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221003112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5482711 + ... + 5522872.

It is an arithmetic number, because the mean of its divisors is an integer number (28328373216).

Almost surely, 2^221003112223 is an apocalyptic number.

221003112223 is a deficient number, since it is larger than the sum of its proper divisors (5623873505).

221003112223 is a wasteful number, since it uses less digits than its factorization.

221003112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006093.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221003112223 its reverse (322211300122), we get a palindrome (543214412345).

The spelling of 221003112223 in words is "two hundred twenty-one billion, three million, one hundred twelve thousand, two hundred twenty-three".