Base | Representation |
---|---|
bin | 111000110011111010… |
… | …0111101010011000101 |
3 | 102122220110102222001001 |
4 | 1301213310331103011 |
5 | 3444324230120401 |
6 | 132014013133301 |
7 | 11546204363152 |
oct | 1614764752305 |
9 | 378813388031 |
10 | 122001020101 |
11 | 47816439144 |
12 | 1b789a8a231 |
13 | b67392ab2c |
14 | 5c94dc9229 |
15 | 32909ba601 |
hex | 1c67d3d4c5 |
122001020101 has 2 divisors, whose sum is σ = 122001020102. Its totient is φ = 122001020100.
The previous prime is 122001020039. The next prime is 122001020111. The reversal of 122001020101 is 101020100221.
It is an a-pointer prime, because the next prime (122001020111) can be obtained adding 122001020101 to its sum of digits (10).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 65487369025 + 56513651076 = 255905^2 + 237726^2 .
It is an emirp because it is prime and its reverse (101020100221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122001020101 - 223 = 121992631493 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122001020111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000510050 + 61000510051.
It is an arithmetic number, because the mean of its divisors is an integer number (61000510051).
Almost surely, 2122001020101 is an apocalyptic number.
It is an amenable number.
122001020101 is a deficient number, since it is larger than the sum of its proper divisors (1).
122001020101 is an equidigital number, since it uses as much as digits as its factorization.
122001020101 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 10.
Adding to 122001020101 its reverse (101020100221), we get a palindrome (223021120322).
It can be divided in two parts, 12200 and 1020101, that added together give a palindrome (1032301).
The spelling of 122001020101 in words is "one hundred twenty-two billion, one million, twenty thousand, one hundred one".
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