11220120223321 has 4 divisors (see below), whose sum is σ = 11223496729872. Its totient is φ = 11216743716772.

The previous prime is 11220120223267. The next prime is 11220120223379. The reversal of 11220120223321 is 12332202102211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220120223321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220120223292 and 11220120223301.

It is not an unprimeable number, because it can be changed into a prime (11220120223391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688248291 + ... + 1688254936.

It is an arithmetic number, because the mean of its divisors is an integer number (2805874182468).

Almost surely, 2^{11220120223321} is an apocalyptic number.

It is an amenable number.

11220120223321 is a deficient number, since it is larger than the sum of its proper divisors (3376506551).

11220120223321 is an equidigital number, since it uses as much as digits as its factorization.

11220120223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376506550.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11220120223321 its reverse (12332202102211), we get a palindrome (23552322325532).

The spelling of 11220120223321 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, two hundred twenty-three thousand, three hundred twenty-one".