223103211221 has 8 divisors (see below), whose sum is σ = 244107537024. Its totient is φ = 202219254720.

The previous prime is 223103211209. The next prime is 223103211281. The reversal of 223103211221 is 122112301322.

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 223103211221 - 2⁶ = 223103211157 is a prime.

It is a super-3 number, since 3×223103211221³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223103211193 and 223103211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223103211281) 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, 30088445 + ... + 30095858.

It is an arithmetic number, because the mean of its divisors is an integer number (30513442128).

Almost surely, 2^223103211221 is an apocalyptic number.

It is an amenable number.

223103211221 is a deficient number, since it is larger than the sum of its proper divisors (21004325803).

223103211221 is a wasteful number, since it uses less digits than its factorization.

223103211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60184651.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223103211221 its reverse (122112301322), we get a palindrome (345215512543).

The spelling of 223103211221 in words is "two hundred twenty-three billion, one hundred three million, two hundred eleven thousand, two hundred twenty-one".