Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …101001111000001110011 |
3 | 11022211110101120001212121 |
4 | 101302022331033001303 |
5 | 130010331104121321 |
6 | 2333231555335111 |
7 | 154202553526522 |
oct | 21621275170163 |
9 | 4284411501777 |
10 | 1222102020211 |
11 | 431321803aa6 |
12 | 178a275b1497 |
13 | 8b322609b87 |
14 | 43215a644b9 |
15 | 21bca26c441 |
hex | 11c8af4f073 |
1222102020211 has 2 divisors, whose sum is σ = 1222102020212. Its totient is φ = 1222102020210.
The previous prime is 1222102020187. The next prime is 1222102020283. The reversal of 1222102020211 is 1120202012221.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1222102020211 - 25 = 1222102020179 is a prime.
It is not a weakly prime, because it can be changed into another prime (1222102020611) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611051010105 + 611051010106.
It is an arithmetic number, because the mean of its divisors is an integer number (611051010106).
Almost surely, 21222102020211 is an apocalyptic number.
1222102020211 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222102020211 is an equidigital number, since it uses as much as digits as its factorization.
1222102020211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1222102020211 its reverse (1120202012221), we get a palindrome (2342304032432).
The spelling of 1222102020211 in words is "one trillion, two hundred twenty-two billion, one hundred two million, twenty thousand, two hundred eleven".
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