Base | Representation |
---|---|
bin | 111000111010001001… |
… | …0001110101100011001 |
3 | 102200110000201021011112 |
4 | 1301310102032230121 |
5 | 4000241231120441 |
6 | 132050440510105 |
7 | 11554323013520 |
oct | 1616422165431 |
9 | 380400637145 |
10 | 122210020121 |
11 | 47913408a32 |
12 | 1b827a7b335 |
13 | b6a8016797 |
14 | 5cb4a714b7 |
15 | 32a40014eb |
hex | 1c7448eb19 |
122210020121 has 16 divisors (see below), whose sum is σ = 149048856576. Its totient is φ = 97813287936.
The previous prime is 122210020109. The next prime is 122210020169. The reversal of 122210020121 is 121020012221.
It is not a de Polignac number, because 122210020121 - 26 = 122210020057 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122210020096 and 122210020105.
It is not an unprimeable number, because it can be changed into a prime (122210020171) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4028096 + ... + 4058321.
It is an arithmetic number, because the mean of its divisors is an integer number (9315553536).
Almost surely, 2122210020121 is an apocalyptic number.
It is an amenable number.
122210020121 is a deficient number, since it is larger than the sum of its proper divisors (26838836455).
122210020121 is a wasteful number, since it uses less digits than its factorization.
122210020121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8086568.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122210020121 its reverse (121020012221), we get a palindrome (243230032342).
The spelling of 122210020121 in words is "one hundred twenty-two billion, two hundred ten million, twenty thousand, one hundred twenty-one".
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