Base | Representation |
---|---|
bin | 1001000111010011111000… |
… | …1000111001011001011011 |
3 | 1022111000110202001212210121 |
4 | 2101310332020321121123 |
5 | 2303141410003034321 |
6 | 33151402024454111 |
7 | 2053002464633665 |
oct | 221647610713133 |
9 | 38430422055717 |
10 | 10021201221211 |
11 | 3213a70923344 |
12 | 115a21401a337 |
13 | 578cc266442b |
14 | 269058b81535 |
15 | 125a1b38b441 |
hex | 91d3e23965b |
10021201221211 has 2 divisors, whose sum is σ = 10021201221212. Its totient is φ = 10021201221210.
The previous prime is 10021201221193. The next prime is 10021201221271. The reversal of 10021201221211 is 11212210212001.
It is a weak prime.
It is an emirp because it is prime and its reverse (11212210212001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10021201221211 - 25 = 10021201221179 is a prime.
It is not a weakly prime, because it can be changed into another prime (10021201221271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010600610605 + 5010600610606.
It is an arithmetic number, because the mean of its divisors is an integer number (5010600610606).
Almost surely, 210021201221211 is an apocalyptic number.
10021201221211 is a deficient number, since it is larger than the sum of its proper divisors (1).
10021201221211 is an equidigital number, since it uses as much as digits as its factorization.
10021201221211 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 10021201221211 its reverse (11212210212001), we get a palindrome (21233411433212).
The spelling of 10021201221211 in words is "ten trillion, twenty-one billion, two hundred one million, two hundred twenty-one thousand, two hundred eleven".
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