Search a number
-
+
112112012222281 is a prime number
BaseRepresentation
bin11001011111011100011100…
…101010011101111101001001
3112200221210200220011002111101
4121133130130222131331021
5104143320400112103111
61034235314123301401
732420553114303421
oct3137343452357511
9480853626132441
10112112012222281
11327a448a166505
12106a808607a861
134a7316ab98ca6
141d98370d31481
15ce64562b1bc1
hex65f71ca9df49

112112012222281 has 2 divisors, whose sum is σ = 112112012222282. Its totient is φ = 112112012222280.

The previous prime is 112112012222267. The next prime is 112112012222321. The reversal of 112112012222281 is 182222210211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82189799407881 + 29922212814400 = 9065859^2 + 5470120^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112012222281 - 223 = 112112003833673 is a prime.

It is a super-2 number, since 2×1121120122222812 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112112012222381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056006111140 + 56056006111141.

It is an arithmetic number, because the mean of its divisors is an integer number (56056006111141).

Almost surely, 2112112012222281 is an apocalyptic number.

It is an amenable number.

112112012222281 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112012222281 is an equidigital number, since it uses as much as digits as its factorization.

112112012222281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 28.

Adding to 112112012222281 its reverse (182222210211211), we get a palindrome (294334222433492).

The spelling of 112112012222281 in words is "one hundred twelve trillion, one hundred twelve billion, twelve million, two hundred twenty-two thousand, two hundred eighty-one".