220223211111 has 24 divisors (see below), whose sum is σ = 320762362544. Its totient is φ = 145591810560.

The previous prime is 220223211097. The next prime is 220223211127. The reversal of 220223211111 is 111112322022.

220223211111 is a `hidden beast` number, since 220 + 223 + 211 + 1 + 11 = 666.

220223211111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220223211111 - 2¹³ = 220223202919 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 (220223211181) 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 23 ways as a sum of consecutive naturals, for example, 316695 + ... + 735351.

Almost surely, 2^220223211111 is an apocalyptic number.

220223211111 is a deficient number, since it is larger than the sum of its proper divisors (100539151433).

220223211111 is a wasteful number, since it uses less digits than its factorization.

220223211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419151 (or 419148 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220223211111 its reverse (111112322022), we get a palindrome (331335533133).

The spelling of 220223211111 in words is "two hundred twenty billion, two hundred twenty-three million, two hundred eleven thousand, one hundred eleven".