220013111 has 4 divisors (see below), whose sum is σ = 227599800. Its totient is φ = 212426424.

The previous prime is 220013089. The next prime is 220013113. The reversal of 220013111 is 111310022.

220013111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220013111 - 2¹⁴ = 219996727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220013092 and 220013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013113) 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, 3793301 + ... + 3793358.

It is an arithmetic number, because the mean of its divisors is an integer number (56899950).

Almost surely, 2^220013111 is an apocalyptic number.

220013111 is a deficient number, since it is larger than the sum of its proper divisors (7586689).

220013111 is an equidigital number, since it uses as much as digits as its factorization.

220013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586688.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 220013111 is about 14832.8389393265. The cubic root of 220013111 is about 603.6930656575.

Adding to 220013111 its reverse (111310022), we get a palindrome (331323133).

The spelling of 220013111 in words is "two hundred twenty million, thirteen thousand, one hundred eleven".