Base | Representation |
---|---|
bin | 10100100101010101… |
… | …000000011010101001 |
3 | 2010001021010012212201 |
4 | 110211111000122221 |
5 | 330230340201301 |
6 | 14053023140201 |
7 | 1411454152315 |
oct | 244525003251 |
9 | 63037105781 |
10 | 22101100201 |
11 | 9411549774 |
12 | 4349744661 |
13 | 2112a8c4ab |
14 | 10d937ab45 |
15 | 89544e201 |
hex | 5255406a9 |
22101100201 has 2 divisors, whose sum is σ = 22101100202. Its totient is φ = 22101100200.
The previous prime is 22101100199. The next prime is 22101100211. The reversal of 22101100201 is 10200110122.
It is an a-pointer prime, because the next prime (22101100211) can be obtained adding 22101100201 to its sum of digits (10).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16854270976 + 5246829225 = 129824^2 + 72435^2 .
It is a cyclic number.
It is not a de Polignac number, because 22101100201 - 21 = 22101100199 is a prime.
Together with 22101100199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (22101100211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050550100 + 11050550101.
It is an arithmetic number, because the mean of its divisors is an integer number (11050550101).
Almost surely, 222101100201 is an apocalyptic number.
It is an amenable number.
22101100201 is a deficient number, since it is larger than the sum of its proper divisors (1).
22101100201 is an equidigital number, since it uses as much as digits as its factorization.
22101100201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 22101100201 its reverse (10200110122), we get a palindrome (32301210323).
The spelling of 22101100201 in words is "twenty-two billion, one hundred one million, one hundred thousand, two hundred one".
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