11122201444321 has 24 divisors (see below), whose sum is σ = 12278262165120. Its totient is φ = 10067318057280.

The previous prime is 11122201444309. The next prime is 11122201444327. The reversal of 11122201444321 is 12344410222111.

It is not a de Polignac number, because 11122201444321 - 2⁹ = 11122201443809 is a prime.

It is a super-2 number, since 2×11122201444321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122201444321.

It is not an unprimeable number, because it can be changed into a prime (11122201444327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27907165 + ... + 28302901.

It is an arithmetic number, because the mean of its divisors is an integer number (511594256880).

Almost surely, 2^{11122201444321} is an apocalyptic number.

11122201444321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11122201444321 is a deficient number, since it is larger than the sum of its proper divisors (1156060720799).

11122201444321 is a wasteful number, since it uses less digits than its factorization.

11122201444321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396765 (or 396754 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 11122201444321 its reverse (12344410222111), we get a palindrome (23466611666432).

The spelling of 11122201444321 in words is "eleven trillion, one hundred twenty-two billion, two hundred one million, four hundred forty-four thousand, three hundred twenty-one".