Base | Representation |
---|---|
bin | 111000111100111000… |
… | …1011111011011100101 |
3 | 102200200102222110200122 |
4 | 1301321301133123211 |
5 | 4000433314214341 |
6 | 132103530251325 |
7 | 11556521464526 |
oct | 1617161373345 |
9 | 380612873618 |
10 | 122302101221 |
11 | 47960390913 |
12 | 1b852886b45 |
13 | b6c1116a41 |
14 | 5cc2da084d |
15 | 32ac13e94b |
hex | 1c79c5f6e5 |
122302101221 has 4 divisors (see below), whose sum is σ = 122418691500. Its totient is φ = 122185510944.
The previous prime is 122302101209. The next prime is 122302101241. The reversal of 122302101221 is 122101203221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 112798581025 + 9503520196 = 335855^2 + 97486^2 .
It is a cyclic number.
It is not a de Polignac number, because 122302101221 - 210 = 122302100197 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 122302101221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122302101241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58293566 + ... + 58295663.
It is an arithmetic number, because the mean of its divisors is an integer number (30604672875).
Almost surely, 2122302101221 is an apocalyptic number.
It is an amenable number.
122302101221 is a deficient number, since it is larger than the sum of its proper divisors (116590279).
122302101221 is a wasteful number, since it uses less digits than its factorization.
122302101221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116590278.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 122302101221 its reverse (122101203221), we get a palindrome (244403304442).
The spelling of 122302101221 in words is "one hundred twenty-two billion, three hundred two million, one hundred one thousand, two hundred twenty-one".
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