Base | Representation |
---|---|
bin | 110100010000011100… |
… | …1001001100101111111 |
3 | 101201122212121120111112 |
4 | 1220200321021211333 |
5 | 3314312034031421 |
6 | 123315325312235 |
7 | 11051640531161 |
oct | 1504071114577 |
9 | 351585546445 |
10 | 112221002111 |
11 | 43657914949 |
12 | 198ba70567b |
13 | a7756a2b3a |
14 | 560816a931 |
15 | 2dbc0b245b |
hex | 1a20e4997f |
112221002111 has 4 divisors (see below), whose sum is σ = 112221691872. Its totient is φ = 112220312352.
The previous prime is 112221002071. The next prime is 112221002143. The reversal of 112221002111 is 111200122211.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-112221002111 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 (112221002171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49466 + ... + 476328.
It is an arithmetic number, because the mean of its divisors is an integer number (28055422968).
Almost surely, 2112221002111 is an apocalyptic number.
112221002111 is a deficient number, since it is larger than the sum of its proper divisors (689761).
112221002111 is an equidigital number, since it uses as much as digits as its factorization.
112221002111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 689760.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 112221002111 its reverse (111200122211), we get a palindrome (223421124322).
The spelling of 112221002111 in words is "one hundred twelve billion, two hundred twenty-one million, two thousand, one hundred eleven".
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