220223311111 has 16 divisors (see below), whose sum is σ = 226672992000. Its totient is φ = 213826694400.

The previous prime is 220223311081. The next prime is 220223311127. The reversal of 220223311111 is 111113322022.

It is a cyclic number.

It is not a de Polignac number, because 220223311111 - 2²³ = 220214922503 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 (220223311181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10919665 + ... + 10939813.

It is an arithmetic number, because the mean of its divisors is an integer number (14167062000).

Almost surely, 2^220223311111 is an apocalyptic number.

220223311111 is a deficient number, since it is larger than the sum of its proper divisors (6449680889).

220223311111 is a wasteful number, since it uses less digits than its factorization.

220223311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21450.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220223311111 its reverse (111113322022), we get a palindrome (331336633133).

The spelling of 220223311111 in words is "two hundred twenty billion, two hundred twenty-three million, three hundred eleven thousand, one hundred eleven".