223212322103221 has 32 divisors (see below), whose sum is σ = 254401440923520. Its totient is φ = 193978391712000.

The previous prime is 223212322103189. The next prime is 223212322103291. The reversal of 223212322103221 is 122301223212322.

It is a cyclic number.

It is not a de Polignac number, because 223212322103221 - 2⁵ = 223212322103189 is a prime.

It is a super-3 number, since 3×223212322103221³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223212322103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212322103291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2071080091 + ... + 2071187863.

It is an arithmetic number, because the mean of its divisors is an integer number (7950045028860).

Almost surely, 2^{223212322103221} is an apocalyptic number.

It is an amenable number.

223212322103221 is a deficient number, since it is larger than the sum of its proper divisors (31189118820299).

223212322103221 is a wasteful number, since it uses less digits than its factorization.

223212322103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172197.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 223212322103221 its reverse (122301223212322), we get a palindrome (345513545315543).

The spelling of 223212322103221 in words is "two hundred twenty-three trillion, two hundred twelve billion, three hundred twenty-two million, one hundred three thousand, two hundred twenty-one".