| Base | Representation |
|---|---|
| bin | 10100101011010110… |
| … | …10101110010100100 |
| 3 | 1001122122200101001001 |
| 4 | 22111223111302210 |
| 5 | 140213340214340 |
| 6 | 5033315043044 |
| 7 | 542044542406 |
| oct | 122553256244 |
| 9 | 31578611031 |
| 10 | 11101101220 |
| 11 | 4787311720 |
| 12 | 21998a0484 |
| 13 | 107bb65461 |
| 14 | 7744aab76 |
| 15 | 44e8b029a |
| hex | 295ad5ca4 |
11101101220 has 96 divisors (see below), whose sum is σ = 26071186176. Its totient is φ = 3936192000.
The previous prime is 11101101217. The next prime is 11101101227. The reversal of 11101101220 is 2210110111.
11101101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 11101101197 and 11101101206.
It is not an unprimeable number, because it can be changed into a prime (11101101227) 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 31 ways as a sum of consecutive naturals, for example, 1944370 + ... + 1950070.
It is an arithmetic number, because the mean of its divisors is an integer number (271574856).
Almost surely, 211101101220 is an apocalyptic number.
11101101220 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 11101101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13035593088).
11101101220 is an abundant number, since it is smaller than the sum of its proper divisors (14970084956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11101101220 is a wasteful number, since it uses less digits than its factorization.
11101101220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5941 (or 5939 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 11101101220 its reverse (2210110111), we get a palindrome (13311211331).
The spelling of 11101101220 in words is "eleven billion, one hundred one million, one hundred one thousand, two hundred twenty".
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