220213111 has 4 divisors (see below), whose sum is σ = 223823224. Its totient is φ = 216603000.

The previous prime is 220213099. The next prime is 220213117. The reversal of 220213111 is 111312022.

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 220213111 - 2²¹ = 218115959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220213091 and 220213100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220213117) 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, 1804965 + ... + 1805086.

It is an arithmetic number, because the mean of its divisors is an integer number (55955806).

Almost surely, 2^220213111 is an apocalyptic number.

220213111 is a deficient number, since it is larger than the sum of its proper divisors (3610113).

220213111 is an equidigital number, since it uses as much as digits as its factorization.

220213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610112.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 220213111 is about 14839.5792056244. The cubic root of 220213111 is about 603.8759366476.

Adding to 220213111 its reverse (111312022), we get a palindrome (331525133).

The spelling of 220213111 in words is "two hundred twenty million, two hundred thirteen thousand, one hundred eleven".