Base | Representation |
---|---|
bin | 10001110010001011100… |
… | …100000110110010110101 |
3 | 11022211111002201202202221 |
4 | 101302023210012302311 |
5 | 130010341211210401 |
6 | 2333233002002341 |
7 | 154203036246616 |
oct | 21621344066265 |
9 | 4284432652687 |
10 | 1222112210101 |
11 | 4313275338a2 |
12 | 178a2aaa63b1 |
13 | 8b324766cb3 |
14 | 43217157c0d |
15 | 21bcb0d17a1 |
hex | 11c8b906cb5 |
1222112210101 has 2 divisors, whose sum is σ = 1222112210102. Its totient is φ = 1222112210100.
The previous prime is 1222112210029. The next prime is 1222112210119. The reversal of 1222112210101 is 1010122112221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1215834817201 + 6277392900 = 1102649^2 + 79230^2 .
It is a cyclic number.
It is not a de Polignac number, because 1222112210101 - 29 = 1222112209589 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222112610101) 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 as a sum of consecutive naturals, namely, 611056105050 + 611056105051.
It is an arithmetic number, because the mean of its divisors is an integer number (611056105051).
Almost surely, 21222112210101 is an apocalyptic number.
It is an amenable number.
1222112210101 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222112210101 is an equidigital number, since it uses as much as digits as its factorization.
1222112210101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1222112210101 its reverse (1010122112221), we get a palindrome (2232234322322).
The spelling of 1222112210101 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •