Base | Representation |
---|---|
bin | 101111001000101001… |
… | …1011101001000111101 |
3 | 100200021100010121202210 |
4 | 1132101103131020331 |
5 | 3124300320403341 |
6 | 114300055411033 |
7 | 10212243115434 |
oct | 1362123351075 |
9 | 320240117683 |
10 | 101222044221 |
11 | 39a23229001 |
12 | 1774b083a79 |
13 | 9711a5192c |
14 | 4c8348c11b |
15 | 297667bc16 |
hex | 17914dd23d |
101222044221 has 32 divisors (see below), whose sum is σ = 137371852800. Its totient is φ = 66286471680.
The previous prime is 101222044219. The next prime is 101222044229. The reversal of 101222044221 is 122440222101.
It is not a de Polignac number, because 101222044221 - 21 = 101222044219 is a prime.
It is a super-3 number, since 3×1012220442213 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101222044229) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53584045 + ... + 53585933.
It is an arithmetic number, because the mean of its divisors is an integer number (4292870400).
Almost surely, 2101222044221 is an apocalyptic number.
It is an amenable number.
101222044221 is a deficient number, since it is larger than the sum of its proper divisors (36149808579).
101222044221 is a wasteful number, since it uses less digits than its factorization.
101222044221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3009.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 101222044221 its reverse (122440222101), we get a palindrome (223662266322).
The spelling of 101222044221 in words is "one hundred one billion, two hundred twenty-two million, forty-four thousand, two hundred twenty-one".
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