Base | Representation |
---|---|
bin | 10110110010011010001011… |
… | …101110001010101001000101 |
3 | 111010212001012112201011002111 |
4 | 112302122023232022221011 |
5 | 101114010313410120401 |
6 | 553052535351141021 |
7 | 30052510362614641 |
oct | 2662321356125105 |
9 | 433761175634074 |
10 | 100221111020101 |
11 | 29a2a597459225 |
12 | b2a7633374771 |
13 | 43bca6c07b696 |
14 | 1aa6a28985c21 |
15 | b8beab2c0e51 |
hex | 5b268bb8aa45 |
100221111020101 has 2 divisors, whose sum is σ = 100221111020102. Its totient is φ = 100221111020100.
The previous prime is 100221111020089. The next prime is 100221111020117. The reversal of 100221111020101 is 101020111122001.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 99960603880900 + 260507139201 = 9998030^2 + 510399^2 .
It is an emirp because it is prime and its reverse (101020111122001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 100221111020101 - 27 = 100221111019973 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (100221111020161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110555510050 + 50110555510051.
It is an arithmetic number, because the mean of its divisors is an integer number (50110555510051).
Almost surely, 2100221111020101 is an apocalyptic number.
It is an amenable number.
100221111020101 is a deficient number, since it is larger than the sum of its proper divisors (1).
100221111020101 is an equidigital number, since it uses as much as digits as its factorization.
100221111020101 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 13.
Adding to 100221111020101 its reverse (101020111122001), we get a palindrome (201241222142102).
The spelling of 100221111020101 in words is "one hundred trillion, two hundred twenty-one billion, one hundred eleven million, twenty thousand, one hundred one".
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