Base | Representation |
---|---|
bin | 1010001101001101010010… |
… | …0101001111110110110100 |
3 | 1110201210222221112201102200 |
4 | 2203103110211033312310 |
5 | 2432330144401024340 |
6 | 35511154134304500 |
7 | 2235523100403633 |
oct | 243232445176664 |
9 | 43653887481380 |
10 | 11222021111220 |
11 | 36372613a5987 |
12 | 1312aa01b8130 |
13 | 635302a7734a |
14 | 2ab21213151a |
15 | 146d9d02c330 |
hex | a34d494fdb4 |
11222021111220 has 72 divisors (see below), whose sum is σ = 34044553984896. Its totient is φ = 2992150103232.
The previous prime is 11222021111141. The next prime is 11222021111339. The reversal of 11222021111220 is 2211112022211.
11222021111220 is a `hidden beast` number, since 1 + 1 + 2 + 220 + 211 + 11 + 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 = 11222021111193 and 11222021111202.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 2660232 + ... + 5433311.
It is an arithmetic number, because the mean of its divisors is an integer number (472841027568).
Almost surely, 211222021111220 is an apocalyptic number.
11222021111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11222021111220 is an abundant number, since it is smaller than the sum of its proper divisors (22822532873676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11222021111220 is a wasteful number, since it uses less digits than its factorization.
11222021111220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8101261 (or 8101256 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 11222021111220 its reverse (2211112022211), we get a palindrome (13433133133431).
The spelling of 11222021111220 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, one hundred eleven thousand, two hundred twenty".
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