Base | Representation |
---|---|
bin | 11011110000111100110100… |
… | …110111101111111110001110 |
3 | 121000100201002200001112220212 |
4 | 123300330310313233332032 |
5 | 112001132014132102342 |
6 | 1111413022124042422 |
7 | 34502143643042441 |
oct | 3360746467577616 |
9 | 530321080045825 |
10 | 122111102222222 |
11 | 359aa033857a63 |
12 | 11841b49093412 |
13 | 531a048639229 |
14 | 22222cd25d658 |
15 | e1b5cb3a0182 |
hex | 6f0f34deff8e |
122111102222222 has 8 divisors (see below), whose sum is σ = 184290375133416. Its totient is φ = 60680977177752.
The previous prime is 122111102222093. The next prime is 122111102222227. The reversal of 122111102222222 is 222222201111221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1221111022222222 (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 (122111102222227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187286966273 + ... + 187286966924.
It is an arithmetic number, because the mean of its divisors is an integer number (23036296891677).
Almost surely, 2122111102222222 is an apocalyptic number.
122111102222222 is a deficient number, since it is larger than the sum of its proper divisors (62179272911194).
122111102222222 is a wasteful number, since it uses less digits than its factorization.
122111102222222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374573933362.
The product of its (nonzero) digits is 512, while the sum is 23.
Adding to 122111102222222 its reverse (222222201111221), we get a palindrome (344333303333443).
The spelling of 122111102222222 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-two".
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