Base | Representation |
---|---|
bin | 101111100110011011… |
… | …0100011110001111001 |
3 | 100202211222001000200012 |
4 | 1133030312203301321 |
5 | 3133322100232301 |
6 | 114543144551305 |
7 | 10246064014061 |
oct | 1371466436171 |
9 | 322758030605 |
10 | 102221102201 |
11 | 3a396169059 |
12 | 17989782535 |
13 | 9840a1c0ba |
14 | 4d3a0323a1 |
15 | 29d4223ebb |
hex | 17ccda3c79 |
102221102201 has 2 divisors, whose sum is σ = 102221102202. Its totient is φ = 102221102200.
The previous prime is 102221102189. The next prime is 102221102219. The reversal of 102221102201 is 102201122201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 82311610000 + 19909492201 = 286900^2 + 141101^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102221102201 is a prime.
It is not a weakly prime, because it can be changed into another prime (102221102701) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110551100 + 51110551101.
It is an arithmetic number, because the mean of its divisors is an integer number (51110551101).
Almost surely, 2102221102201 is an apocalyptic number.
It is an amenable number.
102221102201 is a deficient number, since it is larger than the sum of its proper divisors (1).
102221102201 is an equidigital number, since it uses as much as digits as its factorization.
102221102201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 102221102201 its reverse (102201122201), we get a palindrome (204422224402).
The spelling of 102221102201 in words is "one hundred two billion, two hundred twenty-one million, one hundred two thousand, two hundred one".
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