Base | Representation |
---|---|
bin | 111000011001101110… |
… | …0001001101111000011 |
3 | 102120122012121022100121 |
4 | 1300303130021233003 |
5 | 3441024224232321 |
6 | 131350455001111 |
7 | 11515342611265 |
oct | 1606334115703 |
9 | 376565538317 |
10 | 121122102211 |
11 | 474052a6120 |
12 | 1b583669197 |
13 | b563806286 |
14 | 5c10399b35 |
15 | 323d755441 |
hex | 1c33709bc3 |
121122102211 has 16 divisors (see below), whose sum is σ = 137998245888. Its totient is φ = 105231808000.
The previous prime is 121122102203. The next prime is 121122102229. The reversal of 121122102211 is 112201221121.
It is not a de Polignac number, because 121122102211 - 23 = 121122102203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121122102251) 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 15 ways as a sum of consecutive naturals, for example, 83235 + ... + 499171.
It is an arithmetic number, because the mean of its divisors is an integer number (8624890368).
Almost surely, 2121122102211 is an apocalyptic number.
121122102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
121122102211 is a deficient number, since it is larger than the sum of its proper divisors (16876143677).
121122102211 is a wasteful number, since it uses less digits than its factorization.
121122102211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 417122.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 121122102211 its reverse (112201221121), we get a palindrome (233323323332).
The spelling of 121122102211 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, two hundred eleven".
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