11220300122221 has 4 divisors (see below), whose sum is σ = 11220321999744. Its totient is φ = 11220278244700.

The previous prime is 11220300122219. The next prime is 11220300122263. The reversal of 11220300122221 is 12222100302211.

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 not a de Polignac number, because 11220300122221 - 2¹ = 11220300122219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220300128221) 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, 10150525 + ... + 11201506.

It is an arithmetic number, because the mean of its divisors is an integer number (2805080499936).

Almost surely, 2^{11220300122221} is an apocalyptic number.

It is an amenable number.

11220300122221 is a deficient number, since it is larger than the sum of its proper divisors (21877523).

11220300122221 is an equidigital number, since it uses as much as digits as its factorization.

11220300122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21877522.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11220300122221 its reverse (12222100302211), we get a palindrome (23442400424432).

The spelling of 11220300122221 in words is "eleven trillion, two hundred twenty billion, three hundred million, one hundred twenty-two thousand, two hundred twenty-one".