Base | Representation |
---|---|
bin | 11101001000111001100… |
… | …01111001010110111011 |
3 | 10112201022001200001222111 |
4 | 32210130301321112323 |
5 | 112400434304101021 |
6 | 2043541041433151 |
7 | 132222631320046 |
oct | 16443461712673 |
9 | 3481261601874 |
10 | 1001210222011 |
11 | 35667a08367a |
12 | 14205b33b7b7 |
13 | 7354bc2b93c |
14 | 3665d077c5d |
15 | 1b09cb208e1 |
hex | e91cc795bb |
1001210222011 has 2 divisors, whose sum is σ = 1001210222012. Its totient is φ = 1001210222010.
The previous prime is 1001210222009. The next prime is 1001210222063. The reversal of 1001210222011 is 1102220121001.
It is a weak prime.
It is an emirp because it is prime and its reverse (1102220121001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1001210222011 - 21 = 1001210222009 is a prime.
Together with 1001210222009, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 1001210221982 and 1001210222000.
It is not a weakly prime, because it can be changed into another prime (1001210222081) 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, 500605111005 + 500605111006.
It is an arithmetic number, because the mean of its divisors is an integer number (500605111006).
Almost surely, 21001210222011 is an apocalyptic number.
1001210222011 is a deficient number, since it is larger than the sum of its proper divisors (1).
1001210222011 is an equidigital number, since it uses as much as digits as its factorization.
1001210222011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1001210222011 its reverse (1102220121001), we get a palindrome (2103430343012).
It can be divided in two parts, 1001210 and 222011, that added together give a palindrome (1223221).
The spelling of 1001210222011 in words is "one trillion, one billion, two hundred ten million, two hundred twenty-two thousand, eleven".
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