Base | Representation |
---|---|
bin | 111000010110011010… |
… | …0110000000100111001 |
3 | 102120100110202022221102 |
4 | 1300230310300010321 |
5 | 3440312321011301 |
6 | 131331452021145 |
7 | 11512524315362 |
oct | 1605464600471 |
9 | 376313668842 |
10 | 121011110201 |
11 | 47358687193 |
12 | 1b5524617b5 |
13 | b546814527 |
14 | 5bdd746b69 |
15 | 3233b2db6b |
hex | 1c2cd30139 |
121011110201 has 8 divisors (see below), whose sum is σ = 121237292904. Its totient is φ = 120785011200.
The previous prime is 121011110179. The next prime is 121011110249. The reversal of 121011110201 is 102011110121.
It can be written as a sum of positive squares in 4 ways, for example, as 618765625 + 120392344576 = 24875^2 + 346976^2 .
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 121011110201 - 226 = 120944001337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121011118201) 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, 3382061 + ... + 3417653.
It is an arithmetic number, because the mean of its divisors is an integer number (15154661613).
Almost surely, 2121011110201 is an apocalyptic number.
It is an amenable number.
121011110201 is a deficient number, since it is larger than the sum of its proper divisors (226182703).
121011110201 is an equidigital number, since it uses as much as digits as its factorization.
121011110201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41851.
The product of its (nonzero) digits is 4, while the sum is 11.
Adding to 121011110201 its reverse (102011110121), we get a palindrome (223022220322).
The spelling of 121011110201 in words is "one hundred twenty-one billion, eleven million, one hundred ten thousand, two hundred one".
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