| Base | Representation |
|---|---|
| bin | 101111100011011110… |
| … | …1010110111000110110 |
| 3 | 100202121001222100022120 |
| 4 | 1133012331112320312 |
| 5 | 3133121242033420 |
| 6 | 114525253340410 |
| 7 | 10243453362030 |
| oct | 1370675267066 |
| 9 | 322531870276 |
| 10 | 102122221110 |
| 11 | 3a345371248 |
| 12 | 17960637706 |
| 13 | 98263aa990 |
| 14 | 4d2ac52c50 |
| 15 | 29ca6e0d40 |
| hex | 17c6f56e36 |
102122221110 has 512 divisors, whose sum is σ = 326975201280. Its totient is φ = 19824279552.
The previous prime is 102122221093. The next prime is 102122221163. The reversal of 102122221110 is 11122221201.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 102122221110.
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 255 ways as a sum of consecutive naturals, for example, 262524796 + ... + 262525184.
It is an arithmetic number, because the mean of its divisors is an integer number (638623440).
Almost surely, 2102122221110 is an apocalyptic number.
102122221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102122221110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163487600640).
102122221110 is an abundant number, since it is smaller than the sum of its proper divisors (224852980170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102122221110 is a wasteful number, since it uses less digits than its factorization.
102122221110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 592.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 102122221110 its reverse (11122221201), we get a palindrome (113244442311).
Subtracting from 102122221110 its reverse (11122221201), we obtain a palindrome (90999999909).
It can be divided in two parts, 10212 and 2221110, that added together give a palindrome (2231322).
The spelling of 102122221110 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".
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