| Base | Representation |
|---|---|
| bin | 101111000101000100… |
| … | …1111100010101000100 |
| 3 | 100122221222110022222100 |
| 4 | 1132022021330111010 |
| 5 | 3124024120010040 |
| 6 | 114240133032100 |
| 7 | 10206255520152 |
| oct | 1361211742504 |
| 9 | 318858408870 |
| 10 | 101102110020 |
| 11 | 3997156172a |
| 12 | 17716a85630 |
| 13 | 96c2c4b952 |
| 14 | 4c7158c3d2 |
| 15 | 296ad8ab30 |
| hex | 178a27c544 |
101102110020 has 144 divisors (see below), whose sum is σ = 315132657840. Its totient is φ = 26217934848.
The previous prime is 101102110019. The next prime is 101102110027. The reversal of 101102110020 is 20011201101.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 26759725056 + 74342384964 = 163584^2 + 272658^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 101102109984 and 101102110011.
It is not an unprimeable number, because it can be changed into a prime (101102110027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19770984 + ... + 19776096.
It is an arithmetic number, because the mean of its divisors is an integer number (2188421235).
Almost surely, 2101102110020 is an apocalyptic number.
101102110020 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 101102110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157566328920).
101102110020 is an abundant number, since it is smaller than the sum of its proper divisors (214030547820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101102110020 is a wasteful number, since it uses less digits than its factorization.
101102110020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8134 (or 8129 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 101102110020 its reverse (20011201101), we get a palindrome (121113311121).
The spelling of 101102110020 in words is "one hundred one billion, one hundred two million, one hundred ten thousand, twenty".
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