11142324221 has 8 divisors (see below), whose sum is σ = 12798076800. Its totient is φ = 9502569648.

The previous prime is 11142324211. The next prime is 11142324239. The reversal of 11142324221 is 12242324111.

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 11142324221 - 2²⁶ = 11075215357 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 (11142324211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998006 + ... + 4000791.

It is an arithmetic number, because the mean of its divisors is an integer number (1599759600).

Almost surely, 2^11142324221 is an apocalyptic number.

It is an amenable number.

11142324221 is a deficient number, since it is larger than the sum of its proper divisors (1655752579).

11142324221 is an equidigital number, since it uses as much as digits as its factorization.

11142324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7999003.

The product of its digits is 768, while the sum is 23.

Adding to 11142324221 its reverse (12242324111), we get a palindrome (23384648332).

The spelling of 11142324221 in words is "eleven billion, one hundred forty-two million, three hundred twenty-four thousand, two hundred twenty-one".