Base | Representation |
---|---|
bin | 111000010110101111… |
… | …1000011110101110001 |
3 | 102120101020121210221012 |
4 | 1300231133003311301 |
5 | 3440323140414301 |
6 | 131332525440305 |
7 | 11513020510556 |
oct | 1605537036561 |
9 | 376336553835 |
10 | 121022201201 |
11 | 47363972000 |
12 | 1b556110095 |
13 | b548bc8855 |
14 | 5c00dd2a2d |
15 | 3234abeebb |
hex | 1c2d7c3d71 |
121022201201 has 16 divisors (see below), whose sum is σ = 133191019008. Its totient is φ = 109957627120.
The previous prime is 121022201189. The next prime is 121022201213. The reversal of 121022201201 is 102102220121.
It is an interprime number because it is at equal distance from previous prime (121022201189) and next prime (121022201213).
It is not a de Polignac number, because 121022201201 - 214 = 121022184817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121022261201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2401475 + ... + 2451351.
It is an arithmetic number, because the mean of its divisors is an integer number (8324438688).
Almost surely, 2121022201201 is an apocalyptic number.
121022201201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
121022201201 is a deficient number, since it is larger than the sum of its proper divisors (12168817807).
121022201201 is an equidigital number, since it uses as much as digits as its factorization.
121022201201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51733 (or 51711 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 121022201201 its reverse (102102220121), we get a palindrome (223124421322).
It can be divided in two parts, 12102220120 and 1, that added together give a palindrome (12102220121).
The spelling of 121022201201 in words is "one hundred twenty-one billion, twenty-two million, two hundred one thousand, two hundred one".
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