221214421103 has 8 divisors (see below), whose sum is σ = 243771169488. Its totient is φ = 199449137664.

The previous prime is 221214421091. The next prime is 221214421133. The reversal of 221214421103 is 301124412122.

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 221214421103 - 2²² = 221210226799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221214421133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197865650 + ... + 197866767.

It is an arithmetic number, because the mean of its divisors is an integer number (30471396186).

Almost surely, 2^221214421103 is an apocalyptic number.

221214421103 is a deficient number, since it is larger than the sum of its proper divisors (22556748385).

221214421103 is a wasteful number, since it uses less digits than its factorization.

221214421103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395732473.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 221214421103 its reverse (301124412122), we get a palindrome (522338833225).

The spelling of 221214421103 in words is "two hundred twenty-one billion, two hundred fourteen million, four hundred twenty-one thousand, one hundred three".