Base | Representation |
---|---|
bin | 111000110110111001… |
… | …1100101000100100101 |
3 | 102200011110011211101222 |
4 | 1301231303211010211 |
5 | 4000030414301041 |
6 | 132031555030125 |
7 | 11551533053450 |
oct | 1615563450445 |
9 | 380143154358 |
10 | 122101322021 |
11 | 47868016498 |
12 | 1b7b759b345 |
13 | b68b648b93 |
14 | 5ca4458497 |
15 | 32996ce74b |
hex | 1c6dce5125 |
122101322021 has 8 divisors (see below), whose sum is σ = 139672047744. Its totient is φ = 104562516240.
The previous prime is 122101322017. The next prime is 122101322029. The reversal of 122101322021 is 120223101221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122101322021 - 22 = 122101322017 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122101322029) 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, 7971785 + ... + 7987086.
It is an arithmetic number, because the mean of its divisors is an integer number (17459005968).
Almost surely, 2122101322021 is an apocalyptic number.
It is an amenable number.
122101322021 is a deficient number, since it is larger than the sum of its proper divisors (17570725723).
122101322021 is a wasteful number, since it uses less digits than its factorization.
122101322021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15959971.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 122101322021 its reverse (120223101221), we get a palindrome (242324423242).
The spelling of 122101322021 in words is "one hundred twenty-two billion, one hundred one million, three hundred twenty-two thousand, twenty-one".
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