Base | Representation |
---|---|
bin | 111000011001101010… |
… | …0100110010011110101 |
3 | 102120122001212201011012 |
4 | 1300303110212103311 |
5 | 3441023222401401 |
6 | 131350344322005 |
7 | 11515320023336 |
oct | 1606324462365 |
9 | 376561781135 |
10 | 121120122101 |
11 | 47404173470 |
12 | 1b582a73305 |
13 | b563291c04 |
14 | 5c1000228d |
15 | 323d4b38bb |
hex | 1c335264f5 |
121120122101 has 8 divisors (see below), whose sum is σ = 132372604704. Its totient is φ = 109907899920.
The previous prime is 121120122083. The next prime is 121120122127. The reversal of 121120122101 is 101221021121.
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 121120122101 - 210 = 121120121077 is a prime.
It is a super-2 number, since 2×1211201221012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121120122131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10058810 + ... + 10070843.
It is an arithmetic number, because the mean of its divisors is an integer number (16546575588).
Almost surely, 2121120122101 is an apocalyptic number.
121120122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121120122101 is a deficient number, since it is larger than the sum of its proper divisors (11252482603).
121120122101 is a wasteful number, since it uses less digits than its factorization.
121120122101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20130211.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 121120122101 its reverse (101221021121), we get a palindrome (222341143222).
The spelling of 121120122101 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, one hundred one".
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