Base | Representation |
---|---|
bin | 101111100110011011… |
… | …0100011100010010001 |
3 | 100202211222000222022011 |
4 | 1133030312203202101 |
5 | 3133322100214301 |
6 | 114543144542521 |
7 | 10246064011132 |
oct | 1371466434221 |
9 | 322758028264 |
10 | 102221101201 |
11 | 3a39616832a |
12 | 17989781a41 |
13 | 9840a1b7cb |
14 | 4d3a031c89 |
15 | 29d4223a51 |
hex | 17ccda3891 |
102221101201 has 4 divisors (see below), whose sum is σ = 108234107172. Its totient is φ = 96208095232.
The previous prime is 102221101111. The next prime is 102221101207. The reversal of 102221101201 is 102101122201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102101122201 = 13 ⋅7853932477.
It can be written as a sum of positive squares in 2 ways, for example, as 37142540176 + 65078561025 = 192724^2 + 255105^2 .
It is a cyclic number.
It is not a de Polignac number, because 102221101201 - 223 = 102212712593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102221101207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006502960 + ... + 3006502993.
It is an arithmetic number, because the mean of its divisors is an integer number (27058526793).
Almost surely, 2102221101201 is an apocalyptic number.
It is an amenable number.
102221101201 is a deficient number, since it is larger than the sum of its proper divisors (6013005971).
102221101201 is an equidigital number, since it uses as much as digits as its factorization.
102221101201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6013005970.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102221101201 its reverse (102101122201), we get a palindrome (204322223402).
The spelling of 102221101201 in words is "one hundred two billion, two hundred twenty-one million, one hundred one thousand, two hundred one".
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