11323130221 has 8 divisors (see below), whose sum is σ = 12194983584. Its totient is φ = 10451397360.

The previous prime is 11323130173. The next prime is 11323130233. The reversal of 11323130221 is 12203132311.

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 11323130221 - 2¹⁵ = 11323097453 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 (11323131221) 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, 295326 + ... + 331456.

It is an arithmetic number, because the mean of its divisors is an integer number (1524372948).

Almost surely, 2^11323130221 is an apocalyptic number.

It is an amenable number.

11323130221 is a deficient number, since it is larger than the sum of its proper divisors (871853363).

11323130221 is a wasteful number, since it uses less digits than its factorization.

11323130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60251.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11323130221 its reverse (12203132311), we get a palindrome (23526262532).

The spelling of 11323130221 in words is "eleven billion, three hundred twenty-three million, one hundred thirty thousand, two hundred twenty-one".