221110321103 has 8 divisors (see below), whose sum is σ = 257465387808. Its totient is φ = 185947223904.

The previous prime is 221110321087. The next prime is 221110321111. The reversal of 221110321103 is 301123011122.

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 221110321103 - 2⁴ = 221110321087 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 (221110321603) 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, 297991976 + ... + 297992717.

It is an arithmetic number, because the mean of its divisors is an integer number (32183173476).

Almost surely, 2^221110321103 is an apocalyptic number.

221110321103 is a deficient number, since it is larger than the sum of its proper divisors (36355066705).

221110321103 is an equidigital number, since it uses as much as digits as its factorization.

221110321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595984753.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 221110321103 its reverse (301123011122), we get a palindrome (522233332225).

The spelling of 221110321103 in words is "two hundred twenty-one billion, one hundred ten million, three hundred twenty-one thousand, one hundred three".