| Base | Representation |
|---|---|
| bin | 11001010001000010011011… |
| … | …111011110001110100000000 |
| 3 | 112120110011022221100110201020 |
| 4 | 121101002123323301310000 |
| 5 | 104031110334031133440 |
| 6 | 1032200425140305440 |
| 7 | 32256204666401100 |
| oct | 3121023373616400 |
| 9 | 476404287313636 |
| 10 | 111122010021120 |
| 11 | 3245264179188a |
| 12 | 105682343a2280 |
| 13 | 4a009b6cc9a67 |
| 14 | 1d62496637200 |
| 15 | cca8126213d0 |
| hex | 65109bef1d00 |
111122010021120 has 432 divisors, whose sum is σ = 413406484702848. Its totient is φ = 25364348190720.
The previous prime is 111122010021109. The next prime is 111122010021131. The reversal of 111122010021120 is 21120010221111.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (111122010021109) and next prime (111122010021131).
It is a super-2 number, since 2×1111220100211202 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 111122010021120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136386150 + ... + 137198490.
Almost surely, 2111122010021120 is an apocalyptic number.
111122010021120 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 111122010021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206703242351424).
111122010021120 is an abundant number, since it is smaller than the sum of its proper divisors (302284474681728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111122010021120 is an equidigital number, since it uses as much as digits as its factorization.
111122010021120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 813106 (or 813085 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 111122010021120 its reverse (21120010221111), we get a palindrome (132242020242231).
The spelling of 111122010021120 in words is "one hundred eleven trillion, one hundred twenty-two billion, ten million, twenty-one thousand, one hundred twenty".
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