Base | Representation |
---|---|
bin | 10000010100000000110… |
… | …111100010001010101001 |
3 | 10222011111111012020011212 |
4 | 100110000313202022221 |
5 | 121331302230201441 |
6 | 2214551502202505 |
7 | 143663310320201 |
oct | 20240067421251 |
9 | 3864444166155 |
10 | 1121001022121 |
11 | 3a2460941822 |
12 | 161310b83435 |
13 | 8192c98a396 |
14 | 3c3846c5401 |
15 | 1e25e550eeb |
hex | 10500de22a9 |
1121001022121 has 8 divisors (see below), whose sum is σ = 1132156344000. Its totient is φ = 1109846804400.
The previous prime is 1121001022103. The next prime is 1121001022133. The reversal of 1121001022121 is 1212201001211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1121001022121 - 226 = 1120933913257 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1121001022096 and 1121001022105.
It is not an unprimeable number, because it can be changed into a prime (1121001022621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845260 + ... + 2376338.
It is an arithmetic number, because the mean of its divisors is an integer number (141519543000).
Almost surely, 21121001022121 is an apocalyptic number.
It is an amenable number.
1121001022121 is a deficient number, since it is larger than the sum of its proper divisors (11155321879).
1121001022121 is a wasteful number, since it uses less digits than its factorization.
1121001022121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552079.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1121001022121 its reverse (1212201001211), we get a palindrome (2333202023332).
The spelling of 1121001022121 in words is "one trillion, one hundred twenty-one billion, one million, twenty-two thousand, one hundred twenty-one".
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