11301312221321 has 16 divisors (see below), whose sum is σ = 11892396240000. Its totient is φ = 10718789925888.

The previous prime is 11301312221317. The next prime is 11301312221341. The reversal of 11301312221321 is 12312221310311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11301312221321 - 2² = 11301312221317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11301312221341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880271 + ... + 4835028.

It is an arithmetic number, because the mean of its divisors is an integer number (743274765000).

Almost surely, 2^{11301312221321} is an apocalyptic number.

It is an amenable number.

11301312221321 is a deficient number, since it is larger than the sum of its proper divisors (591084018679).

11301312221321 is a wasteful number, since it uses less digits than its factorization.

11301312221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716048.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11301312221321 its reverse (12312221310311), we get a palindrome (23613533531632).

The spelling of 11301312221321 in words is "eleven trillion, three hundred one billion, three hundred twelve million, two hundred twenty-one thousand, three hundred twenty-one".