Base | Representation |
---|---|
bin | 10100100101010101… |
… | …000101110100010001 |
3 | 2010001021011100012222 |
4 | 110211111011310101 |
5 | 330230341403241 |
6 | 14053023430425 |
7 | 1411454303645 |
oct | 244525056421 |
9 | 63037140188 |
10 | 22101122321 |
11 | 9411564353 |
12 | 4349755415 |
13 | 2112a99595 |
14 | 10d9384c25 |
15 | 895455a4b |
hex | 525545d11 |
22101122321 has 2 divisors, whose sum is σ = 22101122322. Its totient is φ = 22101122320.
The previous prime is 22101122311. The next prime is 22101122333. The reversal of 22101122321 is 12322110122.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13239724096 + 8861398225 = 115064^2 + 94135^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22101122321 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 22101122321.
It is not a weakly prime, because it can be changed into another prime (22101122311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050561160 + 11050561161.
It is an arithmetic number, because the mean of its divisors is an integer number (11050561161).
Almost surely, 222101122321 is an apocalyptic number.
It is an amenable number.
22101122321 is a deficient number, since it is larger than the sum of its proper divisors (1).
22101122321 is an equidigital number, since it uses as much as digits as its factorization.
22101122321 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 22101122321 its reverse (12322110122), we get a palindrome (34423232443).
The spelling of 22101122321 in words is "twenty-two billion, one hundred one million, one hundred twenty-two thousand, three hundred twenty-one".
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