| Base | Representation |
|---|---|
| bin | 10100111000100101… |
| … | …11001001011101100 |
| 3 | 1001221101121101010220 |
| 4 | 22130102321023230 |
| 5 | 140430301224400 |
| 6 | 5052322531340 |
| 7 | 544563362460 |
| oct | 123422711354 |
| 9 | 31841541126 |
| 10 | 11212133100 |
| 11 | 4833a58603 |
| 12 | 220ab06b50 |
| 13 | 1098b6c3ac |
| 14 | 7851304a0 |
| 15 | 4594e37a0 |
| hex | 29c4b92ec |
11212133100 has 144 divisors (see below), whose sum is σ = 37128123648. Its totient is φ = 2559087360.
The previous prime is 11212133077. The next prime is 11212133113. The reversal of 11212133100 is 133121211.
It is a happy number.
11212133100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×112121331002 (a number of 21 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 11212133100.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 1619847 + ... + 1626753.
It is an arithmetic number, because the mean of its divisors is an integer number (257834192).
Almost surely, 211212133100 is an apocalyptic number.
11212133100 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 11212133100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18564061824).
11212133100 is an abundant number, since it is smaller than the sum of its proper divisors (25915990548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11212133100 is a wasteful number, since it uses less digits than its factorization.
11212133100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7704 (or 7697 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 11212133100 its reverse (133121211), we get a palindrome (11345254311).
The spelling of 11212133100 in words is "eleven billion, two hundred twelve million, one hundred thirty-three thousand, one hundred".
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