221103301320423 has 24 divisors (see below), whose sum is σ = 330760467588096. Its totient is φ = 142234068555600.

The previous prime is 221103301320383. The next prime is 221103301320457. The reversal of 221103301320423 is 324023103301122.

221103301320423 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 0 + 330 + 1 + 320 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 221103301320423 - 2²² = 221103297126119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221103301320623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3680975883 + ... + 3681035948.

It is an arithmetic number, because the mean of its divisors is an integer number (13781686149504).

Almost surely, 2^{221103301320423} is an apocalyptic number.

221103301320423 is a deficient number, since it is larger than the sum of its proper divisors (109657166267673).

221103301320423 is a wasteful number, since it uses less digits than its factorization.

221103301320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362011955 (or 7362011952 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 221103301320423 its reverse (324023103301122), we get a palindrome (545126404621545).

The spelling of 221103301320423 in words is "two hundred twenty-one trillion, one hundred three billion, three hundred one million, three hundred twenty thousand, four hundred twenty-three".