Base | Representation |
---|---|
bin | 110010010001011101011111… |
… | …010110101001001010110101 |
3 | 1001222212011110221202002102101 |
4 | 302101131133112221022311 |
5 | 212440014322111431401 |
6 | 2102124542545142101 |
7 | 64400052105100021 |
oct | 6221353726511265 |
9 | 1058764427662371 |
10 | 221102221202101 |
11 | 644a4a1a822398 |
12 | 2096b11262a931 |
13 | 964ab08593b45 |
14 | 3c85594345381 |
15 | 1a865998d0101 |
hex | c9175f5a92b5 |
221102221202101 has 8 divisors (see below), whose sum is σ = 221175780379424. Its totient is φ = 221028674190480.
The previous prime is 221102221202099. The next prime is 221102221202189. The reversal of 221102221202101 is 101202122201122.
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 221102221202101 - 21 = 221102221202099 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221102221208101) 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, 33385591 + ... + 39456331.
It is an arithmetic number, because the mean of its divisors is an integer number (27646972547428).
Almost surely, 2221102221202101 is an apocalyptic number.
It is an amenable number.
221102221202101 is a deficient number, since it is larger than the sum of its proper divisors (73559177323).
221102221202101 is an equidigital number, since it uses as much as digits as its factorization.
221102221202101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6082851.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 221102221202101 its reverse (101202122201122), we get a palindrome (322304343403223).
The spelling of 221102221202101 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, two hundred two thousand, one hundred one".
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