220133111 has 4 divisors (see below), whose sum is σ = 240145224. Its totient is φ = 200121000.

The previous prime is 220133083. The next prime is 220133117. The reversal of 220133111 is 111331022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220133111 - 2¹⁴ = 220116727 is a prime.

It is a super-3 number, since 3×220133111³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220133117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006040 + ... + 10006061.

It is an arithmetic number, because the mean of its divisors is an integer number (60036306).

Almost surely, 2^220133111 is an apocalyptic number.

220133111 is a deficient number, since it is larger than the sum of its proper divisors (20012113).

220133111 is a wasteful number, since it uses less digits than its factorization.

220133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012112.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 220133111 is about 14836.8834665505. The cubic root of 220133111 is about 603.8028015438.

Adding to 220133111 its reverse (111331022), we get a palindrome (331464133).

It can be divided in two parts, 220 and 133111, that added together give a palindrome (133331).

The spelling of 220133111 in words is "two hundred twenty million, one hundred thirty-three thousand, one hundred eleven".