| Base | Representation |
|---|---|
| bin | 1010000110101110000010… |
| … | …11000010100011110010100 |
| 3 | 2220200022120101011022202100 |
| 4 | 11003113001120110132110 |
| 5 | 10403032313202401322 |
| 6 | 115132123114042100 |
| 7 | 4452264553146120 |
| oct | 503270130243624 |
| 9 | 86608511138670 |
| 10 | 22221110200212 |
| 11 | 7097a1344a980 |
| 12 | 25aa724a19330 |
| 13 | c525985545b1 |
| 14 | 56b71670a580 |
| 15 | 28804e751dac |
| hex | 1435c1614794 |
22221110200212 has 288 divisors, whose sum is σ = 70832361600000. Its totient is φ = 5705630092800.
The previous prime is 22221110200189. The next prime is 22221110200217. The reversal of 22221110200212 is 21200201112222.
It is a happy number.
22221110200212 is a `hidden beast` number, since 22 + 221 + 1 + 10 + 200 + 212 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22221110200217) by changing a digit.
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 95 ways as a sum of consecutive naturals, for example, 1850057287 + ... + 1850069297.
It is an arithmetic number, because the mean of its divisors is an integer number (245945700000).
Almost surely, 222221110200212 is an apocalyptic number.
22221110200212 is a gapful number since it is divisible by the number (22) 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 22221110200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35416180800000).
22221110200212 is an abundant number, since it is smaller than the sum of its proper divisors (48611251399788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22221110200212 is a wasteful number, since it uses less digits than its factorization.
22221110200212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19627 (or 19622 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 22221110200212 its reverse (21200201112222), we get a palindrome (43421311312434).
The spelling of 22221110200212 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred ten million, two hundred thousand, two hundred twelve".
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