Base | Representation |
---|---|
bin | 111000110110111001… |
… | …1001000000001001101 |
3 | 102200011102221210011120 |
4 | 1301231303020001031 |
5 | 4000030401444041 |
6 | 132031552311153 |
7 | 11551532046510 |
oct | 1615563100115 |
9 | 380142853146 |
10 | 122101203021 |
11 | 47867a45046 |
12 | 1b7b75424b9 |
13 | b68b606975 |
14 | 5ca4426d77 |
15 | 32996a9366 |
hex | 1c6dcc804d |
122101203021 has 32 divisors (see below), whose sum is σ = 187225866240. Its totient is φ = 69335650944.
The previous prime is 122101203013. The next prime is 122101203047. The reversal of 122101203021 is 120302101221.
It is not a de Polignac number, because 122101203021 - 23 = 122101203013 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122101203821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2641716 + ... + 2687538.
It is an arithmetic number, because the mean of its divisors is an integer number (5850808320).
Almost surely, 2122101203021 is an apocalyptic number.
It is an amenable number.
122101203021 is a deficient number, since it is larger than the sum of its proper divisors (65124663219).
122101203021 is a wasteful number, since it uses less digits than its factorization.
122101203021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46625.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 122101203021 its reverse (120302101221), we get a palindrome (242403304242).
The spelling of 122101203021 in words is "one hundred twenty-two billion, one hundred one million, two hundred three thousand, twenty-one".
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