Base | Representation |
---|---|
bin | 110111111011100100… |
… | …0001000011101000001 |
3 | 102111000200120102110012 |
4 | 1233313020020131001 |
5 | 3431441204033441 |
6 | 131102230514305 |
7 | 11451305014532 |
oct | 1576710103501 |
9 | 374020512405 |
10 | 120110221121 |
11 | 46a360a7960 |
12 | 1b340805995 |
13 | b431c99277 |
14 | 5b55c38689 |
15 | 31ce9c89eb |
hex | 1bf7208741 |
120110221121 has 16 divisors (see below), whose sum is σ = 136810764288. Its totient is φ = 104379118800.
The previous prime is 120110221109. The next prime is 120110221123. The reversal of 120110221121 is 121122011021.
It is not a de Polignac number, because 120110221121 - 218 = 120109958977 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120110221096 and 120110221105.
It is not an unprimeable number, because it can be changed into a prime (120110221123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265736 + ... + 557526.
It is an arithmetic number, because the mean of its divisors is an integer number (8550672768).
Almost surely, 2120110221121 is an apocalyptic number.
120110221121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
120110221121 is a deficient number, since it is larger than the sum of its proper divisors (16700543167).
120110221121 is a wasteful number, since it uses less digits than its factorization.
120110221121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293452.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 120110221121 its reverse (121122011021), we get a palindrome (241232232142).
The spelling of 120110221121 in words is "one hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".
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