11220201303221 has 4 divisors (see below), whose sum is σ = 11220211495200. Its totient is φ = 11220191111244.

The previous prime is 11220201303211. The next prime is 11220201303257. The reversal of 11220201303221 is 12230310202211.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220201303221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220201303193 and 11220201303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220201303211) 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, 3212651 + ... + 5723768.

It is an arithmetic number, because the mean of its divisors is an integer number (2805052873800).

Almost surely, 2^{11220201303221} is an apocalyptic number.

It is an amenable number.

11220201303221 is a deficient number, since it is larger than the sum of its proper divisors (10191979).

11220201303221 is an equidigital number, since it uses as much as digits as its factorization.

11220201303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191978.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11220201303221 its reverse (12230310202211), we get a palindrome (23450511505432).

The spelling of 11220201303221 in words is "eleven trillion, two hundred twenty billion, two hundred one million, three hundred three thousand, two hundred twenty-one".