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110230120081 is a prime number
BaseRepresentation
bin110011010101000111…
…0100010011010010001
3101112112010102021210001
41212222032202122101
53301222402320311
6122350010010001
710651414363324
oct1465216423221
9345463367701
10110230120081
11428260357a4
1219443a16901
13a51909ba33
1454999a67bb
152d024014c1
hex19aa3a2691

110230120081 has 2 divisors, whose sum is σ = 110230120082. Its totient is φ = 110230120080.

The previous prime is 110230120079. The next prime is 110230120153. The reversal of 110230120081 is 180021032011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104707252225 + 5522867856 = 323585^2 + 74316^2 .

It is an emirp because it is prime and its reverse (180021032011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110230120081 - 21 = 110230120079 is a prime.

It is a super-2 number, since 2×1102301200812 (a number of 23 digits) contains 22 as substring.

Together with 110230120079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110230120031) 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, 55115060040 + 55115060041.

It is an arithmetic number, because the mean of its divisors is an integer number (55115060041).

Almost surely, 2110230120081 is an apocalyptic number.

It is an amenable number.

110230120081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110230120081 is an equidigital number, since it uses as much as digits as its factorization.

110230120081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 110230120081 its reverse (180021032011), we get a palindrome (290251152092).

The spelling of 110230120081 in words is "one hundred ten billion, two hundred thirty million, one hundred twenty thousand, eighty-one".