| Base | Representation |
|---|---|
| bin | 1010000110110100001101… |
| … | …1000111111110110010000 |
| 3 | 1110100022120002111011120120 |
| 4 | 2201231003120333312100 |
| 5 | 2424030302010134300 |
| 6 | 35344513531110240 |
| 7 | 2224554643134612 |
| oct | 241550330776620 |
| 9 | 43308502434516 |
| 10 | 11112211021200 |
| 11 | 35a4731476a73 |
| 12 | 12b5754ba2380 |
| 13 | 627b52a10c13 |
| 14 | 2a5b96264db2 |
| 15 | 1440c29493a0 |
| hex | a1b4363fd90 |
11112211021200 has 240 divisors, whose sum is σ = 36564480110400. Its totient is φ = 2882670888960.
The previous prime is 11112211021183. The next prime is 11112211021211. The reversal of 11112211021200 is 212011221111.
It is a happy number.
11112211021200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (240).
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 11112211021200.
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, 306297462 + ... + 306333738.
It is an arithmetic number, because the mean of its divisors is an integer number (152352000460).
Almost surely, 211112211021200 is an apocalyptic number.
11112211021200 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 11112211021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18282240055200).
11112211021200 is an abundant number, since it is smaller than the sum of its proper divisors (25452269089200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11112211021200 is a wasteful number, since it uses less digits than its factorization.
11112211021200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43234 (or 43223 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 11112211021200 its reverse (212011221111), we get a palindrome (11324222242311).
The spelling of 11112211021200 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, twenty-one thousand, two hundred".
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