11440321201 has 4 divisors (see below), whose sum is σ = 11656176372. Its totient is φ = 11224466032.

The previous prime is 11440321199. The next prime is 11440321213. The reversal of 11440321201 is 10212304411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4593586176 + 6846735025 = 67776^2 + 82745^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440321201 - 2¹ = 11440321199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11440321271) 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, 107927506 + ... + 107927611.

It is an arithmetic number, because the mean of its divisors is an integer number (2914044093).

Almost surely, 2^11440321201 is an apocalyptic number.

It is an amenable number.

11440321201 is a deficient number, since it is larger than the sum of its proper divisors (215855171).

11440321201 is an equidigital number, since it uses as much as digits as its factorization.

11440321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215855170.

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

Adding to 11440321201 its reverse (10212304411), we get a palindrome (21652625612).

The spelling of 11440321201 in words is "eleven billion, four hundred forty million, three hundred twenty-one thousand, two hundred one".