Base | Representation |
---|---|
bin | 100000010011101111100… |
… | …011010000010011111011 |
3 | 21212020210002121201201202 |
4 | 200103233203100103323 |
5 | 242334003330334321 |
6 | 4415542253204415 |
7 | 316256113435463 |
oct | 40235743202373 |
9 | 7766702551652 |
10 | 2220222121211 |
11 | 786655562a56 |
12 | 2ba363a9070b |
13 | 13149b28c233 |
14 | 79660556ba3 |
15 | 3cb4694670b |
hex | 204ef8d04fb |
2220222121211 has 2 divisors, whose sum is σ = 2220222121212. Its totient is φ = 2220222121210.
The previous prime is 2220222121193. The next prime is 2220222121261. The reversal of 2220222121211 is 1121212220222.
2220222121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2220222121211 - 226 = 2220155012347 is a prime.
It is a super-2 number, since 2×22202221212112 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2220222121261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110111060605 + 1110111060606.
It is an arithmetic number, because the mean of its divisors is an integer number (1110111060606).
Almost surely, 22220222121211 is an apocalyptic number.
2220222121211 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220222121211 is an equidigital number, since it uses as much as digits as its factorization.
2220222121211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 2220222121211 its reverse (1121212220222), we get a palindrome (3341434341433).
The spelling of 2220222121211 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".
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