220243111 has 12 divisors (see below), whose sum is σ = 244321000. Its totient is φ = 198372240.

The previous prime is 220243099. The next prime is 220243159. The reversal of 220243111 is 111342022.

It is not a de Polignac number, because 220243111 - 2¹³ = 220234919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220243411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4840 + ... + 21538.

Almost surely, 2^220243111 is an apocalyptic number.

220243111 is a deficient number, since it is larger than the sum of its proper divisors (24077889).

220243111 is a wasteful number, since it uses less digits than its factorization.

220243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16830 (or 16819 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 220243111 is about 14840.5899815338. The cubic root of 220243111 is about 603.9033577450.

Adding to 220243111 its reverse (111342022), we get a palindrome (331585133).

The spelling of 220243111 in words is "two hundred twenty million, two hundred forty-three thousand, one hundred eleven".