Base | Representation |
---|---|
bin | 111000010110101111… |
… | …0101101110111100001 |
3 | 102120101020110020110212 |
4 | 1300231132231313201 |
5 | 3440323130024301 |
6 | 131332523503505 |
7 | 11513016654305 |
oct | 1605536556741 |
9 | 376336406425 |
10 | 121022111201 |
11 | 47363910422 |
12 | 1b556087b95 |
13 | b548b968b4 |
14 | 5c00dabd05 |
15 | 3234aa34bb |
hex | 1c2d7adde1 |
121022111201 has 8 divisors (see below), whose sum is σ = 125092420608. Its totient is φ = 116962200000.
The previous prime is 121022111191. The next prime is 121022111281. The reversal of 121022111201 is 102111220121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121022111201 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121022111281) 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, 2575880 + ... + 2622441.
It is an arithmetic number, because the mean of its divisors is an integer number (15636552576).
Almost surely, 2121022111201 is an apocalyptic number.
It is an amenable number.
121022111201 is a deficient number, since it is larger than the sum of its proper divisors (4070309407).
121022111201 is an equidigital number, since it uses as much as digits as its factorization.
121022111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5199103.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 121022111201 its reverse (102111220121), we get a palindrome (223133331322).
The spelling of 121022111201 in words is "one hundred twenty-one billion, twenty-two million, one hundred eleven thousand, two hundred one".
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