Base | Representation |
---|---|
bin | 11011010011101101101101… |
… | …101001111111011000101001 |
3 | 120202020122021121000020112022 |
4 | 123103231231221333120221 |
5 | 111220222404104101441 |
6 | 1103234033553554225 |
7 | 34204040526600434 |
oct | 3323555551773051 |
9 | 522218247006468 |
10 | 120102010222121 |
11 | 352a4a81798a04 |
12 | 115786a8275975 |
13 | 5202756552455 |
14 | 2192d7b08a81b |
15 | dd41e00c184b |
hex | 6d3b6da7f629 |
120102010222121 has 16 divisors (see below), whose sum is σ = 131553060938640. Its totient is φ = 109138386954240.
The previous prime is 120102010222111. The next prime is 120102010222123. The reversal of 120102010222121 is 121222010201021.
It can be written as a sum of positive squares in 8 ways, for example, as 3191010595600 + 116910999626521 = 1786340^2 + 10812539^2 .
It is a cyclic number.
It is not a de Polignac number, because 120102010222121 - 246 = 49733266044457 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 120102010222121.
It is not an unprimeable number, because it can be changed into a prime (120102010222123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58013051 + ... + 60047631.
It is an arithmetic number, because the mean of its divisors is an integer number (8222066308665).
Almost surely, 2120102010222121 is an apocalyptic number.
It is an amenable number.
120102010222121 is a deficient number, since it is larger than the sum of its proper divisors (11451050716519).
120102010222121 is a wasteful number, since it uses less digits than its factorization.
120102010222121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2154364.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 120102010222121 its reverse (121222010201021), we get a palindrome (241324020423142).
The spelling of 120102010222121 in words is "one hundred twenty trillion, one hundred two billion, ten million, two hundred twenty-two thousand, one hundred twenty-one".
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