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1112112223 is a prime number
BaseRepresentation
bin100001001001001…
…0111110001011111
32212111122011011121
41002102113301133
54234200042343
6302204231411
736362540455
oct10222276137
92774564147
101112112223
11520838412
1227053b567
13149531a91
14a79b29d5
1567979aed
hex42497c5f

1112112223 has 2 divisors, whose sum is σ = 1112112224. Its totient is φ = 1112112222.

The previous prime is 1112112187. The next prime is 1112112229. The reversal of 1112112223 is 3222112111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3222112111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112112223 - 217 = 1111981151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112112197 and 1112112206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112112229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556056111 + 556056112.

It is an arithmetic number, because the mean of its divisors is an integer number (556056112).

Almost surely, 21112112223 is an apocalyptic number.

1112112223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112112223 is an equidigital number, since it uses as much as digits as its factorization.

1112112223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 16.

The square root of 1112112223 is about 33348.3466306802. The cubic root of 1112112223 is about 1036.0551440140.

Adding to 1112112223 its reverse (3222112111), we get a palindrome (4334224334).

The spelling of 1112112223 in words is "one billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-three".