220113211 has 4 divisors (see below), whose sum is σ = 220312800. Its totient is φ = 219913624.

The previous prime is 220113203. The next prime is 220113221. The reversal of 220113211 is 112311022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112311022 = 2 ⋅56155511.

It is a cyclic number.

It is not a de Polignac number, because 220113211 - 2³ = 220113203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220113191 and 220113200.

It is not an unprimeable number, because it can be changed into a prime (220113221) 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, 98131 + ... + 100348.

It is an arithmetic number, because the mean of its divisors is an integer number (55078200).

Almost surely, 2^220113211 is an apocalyptic number.

220113211 is a deficient number, since it is larger than the sum of its proper divisors (199589).

220113211 is a wasteful number, since it uses less digits than its factorization.

220113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199588.

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

The square root of 220113211 is about 14836.2128253810. The cubic root of 220113211 is about 603.7846064348.

Adding to 220113211 its reverse (112311022), we get a palindrome (332424233).

The spelling of 220113211 in words is "two hundred twenty million, one hundred thirteen thousand, two hundred eleven".