11212230332321 has 4 divisors (see below), whose sum is σ = 11598858964500. Its totient is φ = 10825601700144.

The previous prime is 11212230332297. The next prime is 11212230332341. The reversal of 11212230332321 is 12323303221211.

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 5833727226721 + 5378503105600 = 2415311^2 + 2319160^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212230332321 - 2¹⁰ = 11212230331297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212230332341) 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, 193314316046 + ... + 193314316103.

It is an arithmetic number, because the mean of its divisors is an integer number (2899714741125).

Almost surely, 2^{11212230332321} is an apocalyptic number.

It is an amenable number.

11212230332321 is a deficient number, since it is larger than the sum of its proper divisors (386628632179).

11212230332321 is an equidigital number, since it uses as much as digits as its factorization.

11212230332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386628632178.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11212230332321 its reverse (12323303221211), we get a palindrome (23535533553532).

The spelling of 11212230332321 in words is "eleven trillion, two hundred twelve billion, two hundred thirty million, three hundred thirty-two thousand, three hundred twenty-one".