Base | Representation |
---|---|
bin | 100000010101100000101… |
… | …111101101000101100011 |
3 | 21212102200110002110002101 |
4 | 200111200233231011203 |
5 | 242401401012211321 |
6 | 4420454533231231 |
7 | 316354143432220 |
oct | 40254057550543 |
9 | 7772613073071 |
10 | 2222121210211 |
11 | 78743a5466a1 |
12 | 2ba7b3a92517 |
13 | 131711864236 |
14 | 797a0864947 |
15 | 3cc08524791 |
hex | 20560bed163 |
2222121210211 has 16 divisors (see below), whose sum is σ = 2592015199488. Its totient is φ = 1865465128800.
The previous prime is 2222121210161. The next prime is 2222121210263. The reversal of 2222121210211 is 1120121212222.
It is not a de Polignac number, because 2222121210211 - 219 = 2222120685923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2222121210311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5032945 + ... + 5456626.
It is an arithmetic number, because the mean of its divisors is an integer number (162000949968).
Almost surely, 22222121210211 is an apocalyptic number.
2222121210211 is a deficient number, since it is larger than the sum of its proper divisors (369893989277).
2222121210211 is a wasteful number, since it uses less digits than its factorization.
2222121210211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10490202.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 2222121210211 its reverse (1120121212222), we get a palindrome (3342242422433).
The spelling of 2222121210211 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".
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