| Base | Representation |
|---|---|
| bin | 1010001101001010001111… |
| … | …0000111110011111001100 |
| 3 | 1110201201212212102202022000 |
| 4 | 2203102203300332133030 |
| 5 | 2432322010214232340 |
| 6 | 35510541000152300 |
| 7 | 2235463564056405 |
| oct | 243224360763714 |
| 9 | 43651785382260 |
| 10 | 11221202102220 |
| 11 | 3636981061340 |
| 12 | 13128b1a68690 |
| 13 | 63520219a136 |
| 14 | 2ab1754589ac |
| 15 | 146d5119cd30 |
| hex | a34a3c3e7cc |
11221202102220 has 192 divisors, whose sum is σ = 38087537402880. Its totient is φ = 2720044454400.
The previous prime is 11221202102219. The next prime is 11221202102267. The reversal of 11221202102220 is 2220120212211.
It is a happy number.
11221202102220 is a `hidden beast` number, since 11 + 221 + 2 + 0 + 210 + 2 + 220 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 11221202102193 and 11221202102202.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70196304 + ... + 70355976.
It is an arithmetic number, because the mean of its divisors is an integer number (198372590640).
Almost surely, 211221202102220 is an apocalyptic number.
11221202102220 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 11221202102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19043768701440).
11221202102220 is an abundant number, since it is smaller than the sum of its proper divisors (26866335300660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11221202102220 is a wasteful number, since it uses less digits than its factorization.
11221202102220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171533 (or 171525 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 11221202102220 its reverse (2220120212211), we get a palindrome (13441322314431).
The spelling of 11221202102220 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, one hundred two thousand, two hundred twenty".
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