220112213 has 2 divisors, whose sum is σ = 220112214. Its totient is φ = 220112212.

The previous prime is 220112171. The next prime is 220112261. The reversal of 220112213 is 312211022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183412849 + 36699364 = 13543^2 + 6058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220112213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220112713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110056106 + 110056107.

It is an arithmetic number, because the mean of its divisors is an integer number (110056107).

Almost surely, 2^220112213 is an apocalyptic number.

It is an amenable number.

220112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

220112213 is an equidigital number, since it uses as much as digits as its factorization.

220112213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 220112213 is about 14836.1791914226. The cubic root of 220112213 is about 603.7836939075.

Adding to 220112213 its reverse (312211022), we get a palindrome (532323235).

The spelling of 220112213 in words is "two hundred twenty million, one hundred twelve thousand, two hundred thirteen".