11333223313221 has 32 divisors (see below), whose sum is σ = 15386922777600. Its totient is φ = 7418737497600.

The previous prime is 11333223313177. The next prime is 11333223313231. The reversal of 11333223313221 is 12231332233311.

It is not a de Polignac number, because 11333223313221 - 2¹⁸ = 11333223051077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333223313231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73658671 + ... + 73812371.

It is an arithmetic number, because the mean of its divisors is an integer number (480841336800).

Almost surely, 2^{11333223313221} is an apocalyptic number.

It is an amenable number.

11333223313221 is a deficient number, since it is larger than the sum of its proper divisors (4053699464379).

11333223313221 is a wasteful number, since it uses less digits than its factorization.

11333223313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155709.

The product of its digits is 11664, while the sum is 30.

Adding to 11333223313221 its reverse (12231332233311), we get a palindrome (23564555546532).

The spelling of 11333223313221 in words is "eleven trillion, three hundred thirty-three billion, two hundred twenty-three million, three hundred thirteen thousand, two hundred twenty-one".