11402444000221 has 4 divisors (see below), whose sum is σ = 12073176000252. Its totient is φ = 10731712000192.

The previous prime is 11402444000201. The next prime is 11402444000261. The reversal of 11402444000221 is 12200044420411.

It is a happy number.

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 9882189524025 + 1520254476196 = 3143595^2 + 1232986^2 .

It is a cyclic number.

It is not a de Polignac number, because 11402444000221 - 2²⁹ = 11401907129309 is a prime.

It is a super-5 number, since 5×11402444000221⁵ (a number of 66 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402444000201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335365999990 + ... + 335366000023.

It is an arithmetic number, because the mean of its divisors is an integer number (3018294000063).

Almost surely, 2^{11402444000221} is an apocalyptic number.

It is an amenable number.

11402444000221 is a deficient number, since it is larger than the sum of its proper divisors (670732000031).

11402444000221 is an equidigital number, since it uses as much as digits as its factorization.

11402444000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670732000030.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 11402444000221 its reverse (12200044420411), we get a palindrome (23602488420632).

The spelling of 11402444000221 in words is "eleven trillion, four hundred two billion, four hundred forty-four million, two hundred twenty-one", and thus it is an aban number.