11221304401 has 4 divisors (see below), whose sum is σ = 11229169392. Its totient is φ = 11213439412.

The previous prime is 11221304383. The next prime is 11221304407. The reversal of 11221304401 is 10440312211.

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 11221304401 - 2⁹ = 11221303889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221304407) 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, 3930355 + ... + 3933208.

It is an arithmetic number, because the mean of its divisors is an integer number (2807292348).

Almost surely, 2^11221304401 is an apocalyptic number.

It is an amenable number.

11221304401 is a deficient number, since it is larger than the sum of its proper divisors (7864991).

11221304401 is an equidigital number, since it uses as much as digits as its factorization.

11221304401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864990.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11221304401 its reverse (10440312211), we get a palindrome (21661616612).

The spelling of 11221304401 in words is "eleven billion, two hundred twenty-one million, three hundred four thousand, four hundred one".