Base | Representation |
---|---|
bin | 111000110111100001… |
… | …1010011011000101101 |
3 | 102200012220111121112222 |
4 | 1301233003103120231 |
5 | 4000101242033401 |
6 | 132034023005125 |
7 | 11552205515636 |
oct | 1615703233055 |
9 | 380186447488 |
10 | 122122221101 |
11 | 478788a0261 |
12 | 1b8025997a5 |
13 | b692a855ba |
14 | 5ca713888d |
15 | 329b45bc1b |
hex | 1c6f0d362d |
122122221101 has 8 divisors (see below), whose sum is σ = 127540734144. Its totient is φ = 116712779040.
The previous prime is 122122221073. The next prime is 122122221121. The reversal of 122122221101 is 101122221221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122122221101 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 122122221101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122122221121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240216 + ... + 2294081.
It is an arithmetic number, because the mean of its divisors is an integer number (15942591768).
Almost surely, 2122122221101 is an apocalyptic number.
It is an amenable number.
122122221101 is a deficient number, since it is larger than the sum of its proper divisors (5418513043).
122122221101 is a wasteful number, since it uses less digits than its factorization.
122122221101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4535491.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 122122221101 its reverse (101122221221), we get a palindrome (223244442322).
The spelling of 122122221101 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred one".
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