Base | Representation |
---|---|
bin | 11011101111011111101100… |
… | …111111010111000111101101 |
3 | 121000000011000011211111021122 |
4 | 123233133230333113013231 |
5 | 111443012224133311341 |
6 | 1111255044150510325 |
7 | 34462004045211410 |
oct | 3357375477270755 |
9 | 530004004744248 |
10 | 122011112010221 |
11 | 359706929a7815 |
12 | 118266a26653a5 |
13 | 53107a1b75a05 |
14 | 221b525629b77 |
15 | e18bc7e4a94b |
hex | 6ef7ecfd71ed |
122011112010221 has 8 divisors (see below), whose sum is σ = 139447051969344. Its totient is φ = 104576617326240.
The previous prime is 122011112010209. The next prime is 122011112010269. The reversal of 122011112010221 is 122010211110221.
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 122011112010221 - 26 = 122011112010157 is a prime.
It is a super-2 number, since 2×1220111120102212 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122011112010221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122011112013221) 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, 361137875 + ... + 361475568.
It is an arithmetic number, because the mean of its divisors is an integer number (17430881496168).
Almost surely, 2122011112010221 is an apocalyptic number.
It is an amenable number.
122011112010221 is a deficient number, since it is larger than the sum of its proper divisors (17435939959123).
122011112010221 is an equidigital number, since it uses as much as digits as its factorization.
122011112010221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722637571.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 122011112010221 its reverse (122010211110221), we get a palindrome (244021323120442).
The spelling of 122011112010221 in words is "one hundred twenty-two trillion, eleven billion, one hundred twelve million, ten thousand, two hundred twenty-one".
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