Base | Representation |
---|---|
bin | 1100010110100011000… |
… | …1001100000000011001 |
3 | 202021202100122222001122 |
4 | 3011220301030000121 |
5 | 11434102021402301 |
6 | 241253300455025 |
7 | 21221534530241 |
oct | 3055061140031 |
9 | 667670588048 |
10 | 212211122201 |
11 | 81aa8712031 |
12 | 351650aa475 |
13 | 1701c133580 |
14 | a3b1b78b21 |
15 | 57c04e981b |
hex | 3168c4c019 |
212211122201 has 8 divisors (see below), whose sum is σ = 235907153664. Its totient is φ = 189568247760.
The previous prime is 212211122177. The next prime is 212211122209. The reversal of 212211122201 is 102221112212.
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 212211122201 - 222 = 212206927897 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212211122201.
It is not an unprimeable number, because it can be changed into a prime (212211122209) 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, 263288831 + ... + 263289636.
It is an arithmetic number, because the mean of its divisors is an integer number (29488394208).
Almost surely, 2212211122201 is an apocalyptic number.
It is an amenable number.
212211122201 is a deficient number, since it is larger than the sum of its proper divisors (23696031463).
212211122201 is a wasteful number, since it uses less digits than its factorization.
212211122201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526578511.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 212211122201 its reverse (102221112212), we get a palindrome (314432234413).
The spelling of 212211122201 in words is "two hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".
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