Base | Representation |
---|---|
bin | 1001101001100101101110… |
… | …00101011110111011111001 |
3 | 2210010122001221001120220020 |
4 | 10310302313011132323321 |
5 | 10240132442242011301 |
6 | 113044232511321053 |
7 | 4320052405565004 |
oct | 464626705367371 |
9 | 83118057046806 |
10 | 21220210110201 |
11 | 6841493441043 |
12 | 2468751520189 |
13 | bac09896041b |
14 | 5350c692253b |
15 | 26bebde92436 |
hex | 134cb715eef9 |
21220210110201 has 8 divisors (see below), whose sum is σ = 28773166251360. Its totient is φ = 13907030354592.
The previous prime is 21220210110193. The next prime is 21220210110223. The reversal of 21220210110201 is 10201101202212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 21220210110201 - 23 = 21220210110193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21220210115201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59944096180 + ... + 59944096533.
It is an arithmetic number, because the mean of its divisors is an integer number (3596645781420).
Almost surely, 221220210110201 is an apocalyptic number.
It is an amenable number.
21220210110201 is a deficient number, since it is larger than the sum of its proper divisors (7552956141159).
21220210110201 is a wasteful number, since it uses less digits than its factorization.
21220210110201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119888192775.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 21220210110201 its reverse (10201101202212), we get a palindrome (31421311312413).
The spelling of 21220210110201 in words is "twenty-one trillion, two hundred twenty billion, two hundred ten million, one hundred ten thousand, two hundred one".
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