Base | Representation |
---|---|
bin | 111000011100101100… |
… | …1001111011000011001 |
3 | 102120220011120202101020 |
4 | 1300321121033120121 |
5 | 3441230313032301 |
6 | 131404424113053 |
7 | 11520665006016 |
oct | 1607131173031 |
9 | 376804522336 |
10 | 121222002201 |
11 | 474567294a3 |
12 | 1b5b1005789 |
13 | b57b4133b1 |
14 | 5c1d76270d |
15 | 32473da436 |
hex | 1c3964f619 |
121222002201 has 8 divisors (see below), whose sum is σ = 170136143520. Its totient is φ = 76561264512.
The previous prime is 121222002191. The next prime is 121222002203. The reversal of 121222002201 is 102200222121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121222002201 - 210 = 121222001177 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121222002203) 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, 1063350840 + ... + 1063350953.
It is an arithmetic number, because the mean of its divisors is an integer number (21267017940).
Almost surely, 2121222002201 is an apocalyptic number.
It is an amenable number.
121222002201 is a deficient number, since it is larger than the sum of its proper divisors (48914141319).
121222002201 is a wasteful number, since it uses less digits than its factorization.
121222002201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2126701815.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 121222002201 its reverse (102200222121), we get a palindrome (223422224322).
The spelling of 121222002201 in words is "one hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred one".
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