Base | Representation |
---|---|
bin | 111000110100100000… |
… | …1100100000110111011 |
3 | 102122221212020020020111 |
4 | 1301221001210012323 |
5 | 3444344400231021 |
6 | 132020011405151 |
7 | 11546540153044 |
oct | 1615101440673 |
9 | 378855206214 |
10 | 122021102011 |
11 | 47826804a66 |
12 | 1b7947537b7 |
13 | b677b3c613 |
14 | 5c979358cb |
15 | 32926358e1 |
hex | 1c690641bb |
122021102011 has 24 divisors (see below), whose sum is σ = 133941321360. Its totient is φ = 110772195840.
The previous prime is 122021101987. The next prime is 122021102057. The reversal of 122021102011 is 110201120221.
It is not a de Polignac number, because 122021102011 - 227 = 121886884283 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122021101982 and 122021102000.
It is not an unprimeable number, because it can be changed into a prime (122021102311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5003295 + ... + 5027623.
It is an arithmetic number, because the mean of its divisors is an integer number (5580888390).
Almost surely, 2122021102011 is an apocalyptic number.
122021102011 is a deficient number, since it is larger than the sum of its proper divisors (11920219349).
122021102011 is a wasteful number, since it uses less digits than its factorization.
122021102011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24715 (or 24684 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 122021102011 its reverse (110201120221), we get a palindrome (232222222232).
The spelling of 122021102011 in words is "one hundred twenty-two billion, twenty-one million, one hundred two thousand, eleven".
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