| Base | Representation |
|---|---|
| bin | 10000000001011001011… |
| … | …000011111111011001100 |
| 3 | 10220020220100212011211120 |
| 4 | 100001121120133323030 |
| 5 | 121014332333102340 |
| 6 | 2201444135320540 |
| 7 | 142355040655200 |
| oct | 20013130377314 |
| 9 | 3806810764746 |
| 10 | 1101011222220 |
| 11 | 394a3314a238 |
| 12 | 159472520150 |
| 13 | 7ca95444410 |
| 14 | 3b4098d6b00 |
| 15 | 1d98e64c4d0 |
| hex | 1005961fecc |
1101011222220 has 576 divisors, whose sum is σ = 4138961089536. Its totient is φ = 216189388800.
The previous prime is 1101011222219. The next prime is 1101011222237. The reversal of 1101011222220 is 222221101011.
It is a super-2 number, since 2×11010112222202 (a number of 25 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 1101011222220.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 32508295 + ... + 32542145.
It is an arithmetic number, because the mean of its divisors is an integer number (7185696336).
Almost surely, 21101011222220 is an apocalyptic number.
1101011222220 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 1101011222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2069480544768).
1101011222220 is an abundant number, since it is smaller than the sum of its proper divisors (3037949867316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1101011222220 is a wasteful number, since it uses less digits than its factorization.
1101011222220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33950 (or 33941 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 1101011222220 its reverse (222221101011), we get a palindrome (1323232323231).
It can be divided in two parts, 1101011 and 222220, that added together give a palindrome (1323231).
The spelling of 1101011222220 in words is "one trillion, one hundred one billion, eleven million, two hundred twenty-two thousand, two hundred twenty".
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