220231110223 has 4 divisors (see below), whose sum is σ = 220831195360. Its totient is φ = 219631025088.

The previous prime is 220231110193. The next prime is 220231110259. The reversal of 220231110223 is 322011132022.

220231110223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322011132022 = 2 ⋅161005566011.

It is a cyclic number.

It is not a de Polignac number, because 220231110223 - 2¹³ = 220231102031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220231110223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231110923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300042018 + ... + 300042751.

It is an arithmetic number, because the mean of its divisors is an integer number (55207798840).

Almost surely, 2^220231110223 is an apocalyptic number.

220231110223 is a deficient number, since it is larger than the sum of its proper divisors (600085137).

220231110223 is an equidigital number, since it uses as much as digits as its factorization.

220231110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600085136.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220231110223 its reverse (322011132022), we get a palindrome (542242242245).

The spelling of 220231110223 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred ten thousand, two hundred twenty-three".