11442204221 has 8 divisors (see below), whose sum is σ = 13128905664. Its totient is φ = 9768528000.

The previous prime is 11442204209. The next prime is 11442204247. The reversal of 11442204221 is 12240224411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11442204221 - 2¹⁰ = 11442203197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442204421) 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, 3254420 + ... + 3257933.

It is an arithmetic number, because the mean of its divisors is an integer number (1641113208).

Almost surely, 2^11442204221 is an apocalyptic number.

It is an amenable number.

11442204221 is a deficient number, since it is larger than the sum of its proper divisors (1686701443).

11442204221 is an equidigital number, since it uses as much as digits as its factorization.

11442204221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512611.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11442204221 its reverse (12240224411), we get a palindrome (23682428632).

The spelling of 11442204221 in words is "eleven billion, four hundred forty-two million, two hundred four thousand, two hundred twenty-one".