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110001100081 is a prime number
BaseRepresentation
bin110011001110010010…
…0111001010100110001
3101111221011110212101211
41212130210321110301
53300240240200311
6122311145200121
710642633631455
oct1463444712461
9344834425354
10110001100081
1142718831674
121939b190041
13a4b07c3842
1454773cc665
152cdc263821
hex199c939531

110001100081 has 2 divisors, whose sum is σ = 110001100082. Its totient is φ = 110001100080.

The previous prime is 110001100067. The next prime is 110001100087. The reversal of 110001100081 is 180001100011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107043480625 + 2957619456 = 327175^2 + 54384^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001100081 - 211 = 110001098033 is a prime.

It is a super-2 number, since 2×1100011000812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110001100087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000550040 + 55000550041.

It is an arithmetic number, because the mean of its divisors is an integer number (55000550041).

Almost surely, 2110001100081 is an apocalyptic number.

It is an amenable number.

110001100081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001100081 is an equidigital number, since it uses as much as digits as its factorization.

110001100081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110001100081 its reverse (180001100011), we get a palindrome (290002200092).

The spelling of 110001100081 in words is "one hundred ten billion, one million, one hundred thousand, eighty-one".