11114432421 has 16 divisors (see below), whose sum is σ = 14856307200. Its totient is φ = 7391112560.

The previous prime is 11114432383. The next prime is 11114432429. The reversal of 11114432421 is 12423441111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11114432421 - 2¹⁰ = 11114431397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11114432391 and 11114432400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11114432429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3468406 + ... + 3471608.

It is an arithmetic number, because the mean of its divisors is an integer number (928519200).

Almost surely, 2^11114432421 is an apocalyptic number.

It is an amenable number.

11114432421 is a deficient number, since it is larger than the sum of its proper divisors (3741874779).

11114432421 is a wasteful number, since it uses less digits than its factorization.

11114432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736.

The product of its digits is 768, while the sum is 24.

Adding to 11114432421 its reverse (12423441111), we get a palindrome (23537873532).

The spelling of 11114432421 in words is "eleven billion, one hundred fourteen million, four hundred thirty-two thousand, four hundred twenty-one".