Base | Representation |
---|---|
bin | 11110101110001110100… |
… | …001001010010101111001 |
3 | 21110211102112220020212211 |
4 | 132232032201022111321 |
5 | 234042234310000441 |
6 | 4253514151335121 |
7 | 305346666623131 |
oct | 36561641122571 |
9 | 7424375806784 |
10 | 2111220000121 |
11 | 7443aa718061 |
12 | 2a12033814a1 |
13 | 124119738c2b |
14 | 7427dacbac1 |
15 | 39db7261a81 |
hex | 1eb8e84a579 |
2111220000121 has 8 divisors (see below), whose sum is σ = 2137982860800. Its totient is φ = 2084458103520.
The previous prime is 2111220000119. The next prime is 2111220000133. The reversal of 2111220000121 is 1210000221112.
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 2111220000121 - 21 = 2111220000119 is a prime.
It is a super-3 number, since 3×21112200001213 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2111220000191) 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, 4841376 + ... + 5259406.
It is an arithmetic number, because the mean of its divisors is an integer number (267247857600).
Almost surely, 22111220000121 is an apocalyptic number.
It is an amenable number.
2111220000121 is a deficient number, since it is larger than the sum of its proper divisors (26762860679).
2111220000121 is an equidigital number, since it uses as much as digits as its factorization.
2111220000121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 482039.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2111220000121 its reverse (1210000221112), we get a palindrome (3321220221233).
The spelling of 2111220000121 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty-one", and thus it is an aban number.
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