11020221220223 has 4 divisors (see below), whose sum is σ = 11020230559800. Its totient is φ = 11020211880648.

The previous prime is 11020221220213. The next prime is 11020221220237. The reversal of 11020221220223 is 32202212202011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11020221220223 - 2⁶ = 11020221220159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020221220195 and 11020221220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020221220213) 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, 2591573 + ... + 5362526.

It is an arithmetic number, because the mean of its divisors is an integer number (2755057639950).

Almost surely, 2^{11020221220223} is an apocalyptic number.

11020221220223 is a deficient number, since it is larger than the sum of its proper divisors (9339577).

11020221220223 is an equidigital number, since it uses as much as digits as its factorization.

11020221220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339576.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11020221220223 its reverse (32202212202011), we get a palindrome (43222433422234).

The spelling of 11020221220223 in words is "eleven trillion, twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-three".