Base | Representation |
---|---|
bin | 11011110010100100001110… |
… | …001010101011000011101101 |
3 | 121000202022122211101200100210 |
4 | 123302210032022223003231 |
5 | 112004441401214133401 |
6 | 1111540022343413033 |
7 | 34513154056544454 |
oct | 3362441612530355 |
9 | 530668584350323 |
10 | 122222122021101 |
11 | 35a42124614063 |
12 | 1185b571454179 |
13 | 532765c1b600b |
14 | 2227821a65b9b |
15 | e1e427c8a4d6 |
hex | 6f290e2ab0ed |
122222122021101 has 8 divisors (see below), whose sum is σ = 164206820425824. Its totient is φ = 80859419148560.
The previous prime is 122222122021079. The next prime is 122222122021157. The reversal of 122222122021101 is 101120221222221.
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 122222122021101 - 213 = 122222122012909 is a prime.
It is a super-2 number, since 2×1222221220211012 (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 (122222122021171) 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, 155498882586 + ... + 155498883371.
It is an arithmetic number, because the mean of its divisors is an integer number (20525852553228).
Almost surely, 2122222122021101 is an apocalyptic number.
It is an amenable number.
122222122021101 is a deficient number, since it is larger than the sum of its proper divisors (41984698404723).
122222122021101 is a wasteful number, since it uses less digits than its factorization.
122222122021101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310997766091.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122222122021101 its reverse (101120221222221), we get a palindrome (223342343243322).
The spelling of 122222122021101 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred one".
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