11421322441 has 4 divisors (see below), whose sum is σ = 11421539584. Its totient is φ = 11421105300.

The previous prime is 11421322421. The next prime is 11421322453. The reversal of 11421322441 is 14422312411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11421322441 - 2⁹ = 11421321929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421322411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25576 + ... + 153286.

It is an arithmetic number, because the mean of its divisors is an integer number (2855384896).

Almost surely, 2^11421322441 is an apocalyptic number.

It is an amenable number.

11421322441 is a deficient number, since it is larger than the sum of its proper divisors (217143).

11421322441 is an equidigital number, since it uses as much as digits as its factorization.

11421322441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217142.

The product of its digits is 1536, while the sum is 25.

Adding to 11421322441 its reverse (14422312411), we get a palindrome (25843634852).

The spelling of 11421322441 in words is "eleven billion, four hundred twenty-one million, three hundred twenty-two thousand, four hundred forty-one".