Base | Representation |
---|---|
bin | 1010001101001001100110… |
… | …0101000010110110011001 |
3 | 1110201201102221212010112200 |
4 | 2203102121211002312121 |
5 | 2432321132441432301 |
6 | 35510512013200413 |
7 | 2235456420331542 |
oct | 243223145026631 |
9 | 43651387763480 |
10 | 11221031202201 |
11 | 36368a3644657 |
12 | 1312864790109 |
13 | 6351a5961272 |
14 | 2ab15a88d4c9 |
15 | 146d41190c86 |
hex | a3499942d99 |
11221031202201 has 48 divisors (see below), whose sum is σ = 17626767210000. Its totient is φ = 6849829269504.
The previous prime is 11221031202197. The next prime is 11221031202203. The reversal of 11221031202201 is 10220213012211.
11221031202201 is a `hidden beast` number, since 1 + 122 + 10 + 312 + 0 + 220 + 1 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 5358410150976 + 5862621051225 = 2314824^2 + 2421285^2 .
It is not a de Polignac number, because 11221031202201 - 22 = 11221031202197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (11221031202203) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80594035 + ... + 80733143.
It is an arithmetic number, because the mean of its divisors is an integer number (367224316875).
Almost surely, 211221031202201 is an apocalyptic number.
It is an amenable number.
11221031202201 is a deficient number, since it is larger than the sum of its proper divisors (6405736007799).
11221031202201 is a wasteful number, since it uses less digits than its factorization.
11221031202201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153418 (or 153415 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 11221031202201 its reverse (10220213012211), we get a palindrome (21441244214412).
The spelling of 11221031202201 in words is "eleven trillion, two hundred twenty-one billion, thirty-one million, two hundred two thousand, two hundred one".
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