Base | Representation |
---|---|
bin | 11011010010100010011110… |
… | …010011110001010011001101 |
3 | 120201221220202022220112021102 |
4 | 123102202132103301103031 |
5 | 111212411430324232341 |
6 | 1103132553244112445 |
7 | 34165150525112246 |
oct | 3322423623612315 |
9 | 521856668815242 |
10 | 120021222102221 |
11 | 35273794a25770 |
12 | 11564b00535725 |
13 | 51c7c50066ccb |
14 | 218d0b5799ccd |
15 | dd2062825c9b |
hex | 6d289e4f14cd |
120021222102221 has 8 divisors (see below), whose sum is σ = 130941139136544. Its totient is φ = 109102787875120.
The previous prime is 120021222102211. The next prime is 120021222102377. The reversal of 120021222102221 is 122201222120021.
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 120021222102221 - 214 = 120021222085837 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120021222102193 and 120021222102202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120021222102211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370532555 + ... + 370856328.
It is an arithmetic number, because the mean of its divisors is an integer number (16367642392068).
Almost surely, 2120021222102221 is an apocalyptic number.
120021222102221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
120021222102221 is a deficient number, since it is larger than the sum of its proper divisors (10919917034323).
120021222102221 is a wasteful number, since it uses less digits than its factorization.
120021222102221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 741403611.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 120021222102221 its reverse (122201222120021), we get a palindrome (242222444222242).
The spelling of 120021222102221 in words is "one hundred twenty trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-one".
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