| Base | Representation |
|---|---|
| bin | 10111001101110001000100… |
| … | …100001001110001100111000 |
| 3 | 111101111202211001110021111120 |
| 4 | 113031301010201032030320 |
| 5 | 101340311034200320440 |
| 6 | 1001052334155225240 |
| 7 | 30335363511401451 |
| oct | 2715610441161470 |
| 9 | 441452731407446 |
| 10 | 102101112120120 |
| 11 | 2a5949250263a3 |
| 12 | b54ba67a48220 |
| 13 | 44c812a722299 |
| 14 | 1b2da122d8128 |
| 15 | bc0d3e463dd0 |
| hex | 5cdc4484e338 |
102101112120120 has 512 divisors, whose sum is σ = 323541630720000. Its totient is φ = 25742004387840.
The previous prime is 102101112120053. The next prime is 102101112120127. The reversal of 102101112120120 is 21021211101201.
It is a happy number.
It is a super-2 number, since 2×1021011121201202 (a number of 29 digits) contains 22 as substring.
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 102101112120120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102101112120127) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64661881491 + ... + 64661883069.
It is an arithmetic number, because the mean of its divisors is an integer number (631917247500).
Almost surely, 2102101112120120 is an apocalyptic number.
102101112120120 is a gapful number since it is divisible by the number (10) 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 102101112120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161770815360000).
102101112120120 is an abundant number, since it is smaller than the sum of its proper divisors (221440518599880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102101112120120 is a wasteful number, since it uses less digits than its factorization.
102101112120120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2863 (or 2859 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 102101112120120 its reverse (21021211101201), we get a palindrome (123122323221321).
The spelling of 102101112120120 in words is "one hundred two trillion, one hundred one billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty".
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