Search a number
-
+
110101100101081 is a prime number
BaseRepresentation
bin11001000010001011101000…
…111101011111110111011001
3112102211120011222020001100021
4121002023220331133313121
5103412344023111213311
61030055425213510441
732122353620302045
oct3102135075376731
9472746158201307
10110101100101081
113209968374a541
12104223b77a2421
13495864899888b
141d28cc9129025
15cadeb0303171
hex6422e8f5fdd9

110101100101081 has 2 divisors, whose sum is σ = 110101100101082. Its totient is φ = 110101100101080.

The previous prime is 110101100101073. The next prime is 110101100101127. The reversal of 110101100101081 is 180101001101011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108123395097600 + 1977705003481 = 10398240^2 + 1406309^2 .

It is a cyclic number.

It is not a de Polignac number, because 110101100101081 - 23 = 110101100101073 is a prime.

It is a super-2 number, since 2×1101011001010812 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110101100101051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050550050540 + 55050550050541.

It is an arithmetic number, because the mean of its divisors is an integer number (55050550050541).

Almost surely, 2110101100101081 is an apocalyptic number.

It is an amenable number.

110101100101081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101100101081 is an equidigital number, since it uses as much as digits as its factorization.

110101100101081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 110101100101081 its reverse (180101001101011), we get a palindrome (290202101202092).

The spelling of 110101100101081 in words is "one hundred ten trillion, one hundred one billion, one hundred million, one hundred one thousand, eighty-one".