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112010201081 is a prime number
BaseRepresentation
bin110100001010001010…
…1000000011111111001
3101201010011221202211222
41220110111000133321
53313344102413311
6123242355201425
711043501000002
oct1502425003771
9351104852758
10112010201081
1143559924a19
121985bba6275
13a740b064bc
1455c81761a9
152da8822adb
hex1a145407f9

112010201081 has 2 divisors, whose sum is σ = 112010201082. Its totient is φ = 112010201080.

The previous prime is 112010201059. The next prime is 112010201099. The reversal of 112010201081 is 180102010211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111061561081 + 948640000 = 333259^2 + 30800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112010201081 is a prime.

It is a super-2 number, since 2×1120102010812 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112010201981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005100540 + 56005100541.

It is an arithmetic number, because the mean of its divisors is an integer number (56005100541).

Almost surely, 2112010201081 is an apocalyptic number.

It is an amenable number.

112010201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

112010201081 is an equidigital number, since it uses as much as digits as its factorization.

112010201081 is an odious number, because the sum of its binary digits is odd.

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

Adding to 112010201081 its reverse (180102010211), we get a palindrome (292112211292).

The spelling of 112010201081 in words is "one hundred twelve billion, ten million, two hundred one thousand, eighty-one".