Base | Representation |
---|---|
bin | 111000110100111000… |
… | …0001101101110110001 |
3 | 102122222201020112102111 |
4 | 1301221300031232301 |
5 | 3444411013043441 |
6 | 132021125445321 |
7 | 11550046125322 |
oct | 1615160155661 |
9 | 378881215374 |
10 | 122033331121 |
11 | 478326a7969 |
12 | 1b798870841 |
13 | b67a531990 |
14 | 5c993da449 |
15 | 329374e081 |
hex | 1c69c0dbb1 |
122033331121 has 4 divisors (see below), whose sum is σ = 131420510452. Its totient is φ = 112646151792.
The previous prime is 122033331107. The next prime is 122033331127. The reversal of 122033331121 is 121133330221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121133330221 = 17 ⋅7125490013.
It can be written as a sum of positive squares in 2 ways, for example, as 28696360000 + 93336971121 = 169400^2 + 305511^2 .
It is a cyclic number.
It is not a de Polignac number, because 122033331121 - 227 = 121899113393 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122033331092 and 122033331101.
It is not an unprimeable number, because it can be changed into a prime (122033331127) 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 3 ways as a sum of consecutive naturals, for example, 4693589646 + ... + 4693589671.
It is an arithmetic number, because the mean of its divisors is an integer number (32855127613).
Almost surely, 2122033331121 is an apocalyptic number.
It is an amenable number.
122033331121 is a deficient number, since it is larger than the sum of its proper divisors (9387179331).
122033331121 is an equidigital number, since it uses as much as digits as its factorization.
122033331121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9387179330.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 122033331121 its reverse (121133330221), we get a palindrome (243166661342).
The spelling of 122033331121 in words is "one hundred twenty-two billion, thirty-three million, three hundred thirty-one thousand, one hundred twenty-one".
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