Base | Representation |
---|---|
bin | 110010011110110101010110… |
… | …111000100100011101010101 |
3 | 1002010010000112022102210112000 |
4 | 302132311112320210131111 |
5 | 213100043410214231401 |
6 | 2104111044315145513 |
7 | 64523334234623313 |
oct | 6236652670443525 |
9 | 1063100468383460 |
10 | 222021202102101 |
11 | 648197325622a6 |
12 | 20a99243445299 |
13 | 96b6681560b0c |
14 | 3cb7c525330b3 |
15 | 1aa0433472186 |
hex | c9ed56e24755 |
222021202102101 has 16 divisors (see below), whose sum is σ = 328931956526400. Its totient is φ = 148008889032624.
The previous prime is 222021202102099. The next prime is 222021202102159. The reversal of 222021202102101 is 101201202120222.
It is a happy number.
222021202102101 is a `hidden beast` number, since 2 + 220 + 2 + 1 + 20 + 210 + 210 + 1 = 666.
It is not a de Polignac number, because 222021202102101 - 21 = 222021202102099 is a prime.
It is a super-2 number, since 2×2220212021021012 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222021202102801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144937926 + ... + 146461751.
It is an arithmetic number, because the mean of its divisors is an integer number (20558247282900).
Almost surely, 2222021202102101 is an apocalyptic number.
It is an amenable number.
222021202102101 is a deficient number, since it is larger than the sum of its proper divisors (106910754424299).
222021202102101 is a wasteful number, since it uses less digits than its factorization.
222021202102101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291427905 (or 291427899 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 222021202102101 its reverse (101201202120222), we get a palindrome (323222404222323).
The spelling of 222021202102101 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred two million, one hundred two thousand, one hundred one".
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