Base | Representation |
---|---|
bin | 111000110110111011… |
… | …1000001000100010001 |
3 | 102200011111212121111001 |
4 | 1301231313001010101 |
5 | 4000031132114441 |
6 | 132032030222001 |
7 | 11551543525534 |
oct | 1615567010421 |
9 | 380144777431 |
10 | 122102223121 |
11 | 478685814aa |
12 | 1b7b7954901 |
13 | b68b8a3088 |
14 | 5ca4610a1b |
15 | 329980b731 |
hex | 1c6ddc1111 |
122102223121 has 8 divisors (see below), whose sum is σ = 133455181824. Its totient is φ = 111212650560.
The previous prime is 122102223049. The next prime is 122102223151. The reversal of 122102223121 is 121322201221.
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 122102223121 - 27 = 122102222993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122102223151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115845985 + ... + 115847038.
It is an arithmetic number, because the mean of its divisors is an integer number (16681897728).
Almost surely, 2122102223121 is an apocalyptic number.
It is an amenable number.
122102223121 is a deficient number, since it is larger than the sum of its proper divisors (11352958703).
122102223121 is a wasteful number, since it uses less digits than its factorization.
122102223121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231693071.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 122102223121 its reverse (121322201221), we get a palindrome (243424424342).
The spelling of 122102223121 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty-three thousand, one hundred twenty-one".
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