11110223023221 has 8 divisors (see below), whose sum is σ = 16929863654464. Its totient is φ = 6348698870400.

The previous prime is 11110223023189. The next prime is 11110223023231. The reversal of 11110223023221 is 12232032201111.

11110223023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11110223023221 - 2⁵ = 11110223023189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 529058239201 = 11110223023221 / (1 + 1 + 1 + 1 + 0 + 2 + 2 + 3 + 0 + 2 + 3 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110223023231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264529119580 + ... + 264529119621.

It is an arithmetic number, because the mean of its divisors is an integer number (2116232956808).

Almost surely, 2^{11110223023221} is an apocalyptic number.

It is an amenable number.

11110223023221 is a deficient number, since it is larger than the sum of its proper divisors (5819640631243).

11110223023221 is an equidigital number, since it uses as much as digits as its factorization.

11110223023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529058239211.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11110223023221 its reverse (12232032201111), we get a palindrome (23342255224332).

The spelling of 11110223023221 in words is "eleven trillion, one hundred ten billion, two hundred twenty-three million, twenty-three thousand, two hundred twenty-one".