Base | Representation |
---|---|
bin | 10001110010001100001… |
… | …001011111100111100110 |
3 | 11022211111210011201020021 |
4 | 101302030021133213212 |
5 | 130010401213323420 |
6 | 2333233552025354 |
7 | 154203215460160 |
oct | 21621411374746 |
9 | 4284453151207 |
10 | 1222122011110 |
11 | 431332018500 |
12 | 178a3223225a |
13 | 8b3267b9100 |
14 | 43218589930 |
15 | 21bcbdba7aa |
hex | 11c8c25f9e6 |
1222122011110 has 576 divisors, whose sum is σ = 3100079848320. Its totient is φ = 339224371200.
The previous prime is 1222122011081. The next prime is 1222122011113. The reversal of 1222122011110 is 111102212221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222122011113) by changing a digit.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6752055220 + ... + 6752055400.
It is an arithmetic number, because the mean of its divisors is an integer number (5382083070).
Almost surely, 21222122011110 is an apocalyptic number.
1222122011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222122011110 is an abundant number, since it is smaller than the sum of its proper divisors (1877957837210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222122011110 is a wasteful number, since it uses less digits than its factorization.
1222122011110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385 (or 361 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1222122011110 its reverse (111102212221), we get a palindrome (1333224223331).
The spelling of 1222122011110 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, eleven thousand, one hundred ten".
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