220221011223 has 16 divisors (see below), whose sum is σ = 330383142400. Its totient is φ = 144955600920.

The previous prime is 220221011221. The next prime is 220221011233. The reversal of 220221011223 is 322110122022.

220221011223 is a `hidden beast` number, since 220 + 2 + 210 + 11 + 223 = 666.

It is not a de Polignac number, because 220221011223 - 2¹ = 220221011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220221011196 and 220221011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221011221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51620233 + ... + 51624498.

It is an arithmetic number, because the mean of its divisors is an integer number (20648946400).

Almost surely, 2^220221011223 is an apocalyptic number.

220221011223 is a deficient number, since it is larger than the sum of its proper divisors (110162131177).

220221011223 is a wasteful number, since it uses less digits than its factorization.

220221011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103244819 (or 103244813 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220221011223 its reverse (322110122022), we get a palindrome (542331133245).

The spelling of 220221011223 in words is "two hundred twenty billion, two hundred twenty-one million, eleven thousand, two hundred twenty-three".