| Base | Representation |
|---|---|
| bin | 11001010001000001100000… |
| … | …010101000011000000101000 |
| 3 | 112120110001202020122202100211 |
| 4 | 121101001200111003000220 |
| 5 | 104031101312030342300 |
| 6 | 1032200142014510504 |
| 7 | 32256141134432146 |
| oct | 3121014025030050 |
| 9 | 476401666582324 |
| 10 | 111121010012200 |
| 11 | 32452179262331 |
| 12 | 10567bb5505434 |
| 13 | 4a00887a887c6 |
| 14 | 1d623dd8c6596 |
| 15 | cca7a493c4ba |
| hex | 651060543028 |
111121010012200 has 384 divisors, whose sum is σ = 273642142924800. Its totient is φ = 41881760363520.
The previous prime is 111121010012137. The next prime is 111121010012209. The reversal of 111121010012200 is 2210010121111.
It is a happy number.
111121010012200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1111210100122003 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (111121010012209) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 128761308969 + ... + 128761309831.
It is an arithmetic number, because the mean of its divisors is an integer number (712609747200).
Almost surely, 2111121010012200 is an apocalyptic number.
111121010012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 111121010012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136821071462400).
111121010012200 is an abundant number, since it is smaller than the sum of its proper divisors (162521132912600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111121010012200 is a wasteful number, since it uses less digits than its factorization.
111121010012200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2121 (or 2112 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 111121010012200 its reverse (2210010121111), we get a palindrome (113331020133311).
The spelling of 111121010012200 in words is "one hundred eleven trillion, one hundred twenty-one billion, ten million, twelve thousand, two hundred".
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