Base | Representation |
---|---|
bin | 1010001101000110100000… |
… | …1001111011110111011001 |
3 | 1110201122022011120220120222 |
4 | 2203101220021323313121 |
5 | 2432312433203341441 |
6 | 35510253432525425 |
7 | 2235430031332004 |
oct | 243215011736731 |
9 | 43648264526528 |
10 | 11220202012121 |
11 | 36365085868a3 |
12 | 1312672b50875 |
13 | 6350a2c2ac4b |
14 | 2ab0bc6c653b |
15 | 146ce349ed4b |
hex | a346827bdd9 |
11220202012121 has 16 divisors (see below), whose sum is σ = 11824907240448. Its totient is φ = 10631510884800.
The previous prime is 11220202012079. The next prime is 11220202012127. The reversal of 11220202012121 is 12121020202211.
It is a cyclic number.
It is not a de Polignac number, because 11220202012121 - 210 = 11220202011097 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 11220202012121.
It is not an unprimeable number, because it can be changed into a prime (11220202012127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6211250 + ... + 7811531.
It is an arithmetic number, because the mean of its divisors is an integer number (739056702528).
Almost surely, 211220202012121 is an apocalyptic number.
It is an amenable number.
11220202012121 is a deficient number, since it is larger than the sum of its proper divisors (604705228327).
11220202012121 is a wasteful number, since it uses less digits than its factorization.
11220202012121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14023352.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 11220202012121 its reverse (12121020202211), we get a palindrome (23341222214332).
The spelling of 11220202012121 in words is "eleven trillion, two hundred twenty billion, two hundred two million, twelve thousand, one hundred twenty-one".
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