Base | Representation |
---|---|
bin | 111000111001111000… |
… | …0101000010011000101 |
3 | 102200102102010202211120 |
4 | 1301303300220103011 |
5 | 4000232002241401 |
6 | 132045524024153 |
7 | 11554155110253 |
oct | 1616360502305 |
9 | 380372122746 |
10 | 122201212101 |
11 | 47909442381 |
12 | 1b824b32059 |
13 | b6a6251637 |
14 | 5cb381b5d3 |
15 | 32a3361836 |
hex | 1c73c284c5 |
122201212101 has 16 divisors (see below), whose sum is σ = 163167627264. Its totient is φ = 81351194544.
The previous prime is 122201212097. The next prime is 122201212127. The reversal of 122201212101 is 101212102221.
It is not a de Polignac number, because 122201212101 - 22 = 122201212097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122201216101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14958720 + ... + 14966886.
It is an arithmetic number, because the mean of its divisors is an integer number (10197976704).
Almost surely, 2122201212101 is an apocalyptic number.
It is an amenable number.
122201212101 is a deficient number, since it is larger than the sum of its proper divisors (40966415163).
122201212101 is an equidigital number, since it uses as much as digits as its factorization.
122201212101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14680.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 122201212101 its reverse (101212102221), we get a palindrome (223413314322).
The spelling of 122201212101 in words is "one hundred twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred one".
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