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112112122211 is a prime number
BaseRepresentation
bin110100001101001100…
…1110011100101100011
3101201101021201220100122
41220122121303211203
53314101200402321
6123300435510455
711046146213105
oct1503231634543
9351337656318
10112112122211
1143601408861
121988a15842b
13a758c7056b
1455d7907575
152db27568ab
hex1a1a673963

112112122211 has 2 divisors, whose sum is σ = 112112122212. Its totient is φ = 112112122210.

The previous prime is 112112122193. The next prime is 112112122217. The reversal of 112112122211 is 112221211211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112112122211 - 218 = 112111860067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112112122211.

It is not a weakly prime, because it can be changed into another prime (112112122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056061105 + 56056061106.

It is an arithmetic number, because the mean of its divisors is an integer number (56056061106).

Almost surely, 2112112122211 is an apocalyptic number.

112112122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112122211 is an equidigital number, since it uses as much as digits as its factorization.

112112122211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32, while the sum is 17.

Adding to 112112122211 its reverse (112221211211), we get a palindrome (224333333422).

The spelling of 112112122211 in words is "one hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, two hundred eleven".