221322313103 has 4 divisors (see below), whose sum is σ = 221334863880. Its totient is φ = 221309762328.

The previous prime is 221322313097. The next prime is 221322313109. The reversal of 221322313103 is 301313223122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (221322313097) and next prime (221322313109).

It is a cyclic number.

It is not a de Polignac number, because 221322313103 - 2²⁴ = 221305535887 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 (221322313109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6248900 + ... + 6284217.

It is an arithmetic number, because the mean of its divisors is an integer number (55333715970).

Almost surely, 2^221322313103 is an apocalyptic number.

221322313103 is a deficient number, since it is larger than the sum of its proper divisors (12550777).

221322313103 is a wasteful number, since it uses less digits than its factorization.

221322313103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12550776.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221322313103 its reverse (301313223122), we get a palindrome (522635536225).

The spelling of 221322313103 in words is "two hundred twenty-one billion, three hundred twenty-two million, three hundred thirteen thousand, one hundred three".