| Base | Representation |
|---|---|
| bin | 1000010011111011… |
| … | …1110101010101000 |
| 3 | 12202111012201201212 |
| 4 | 2010332332222220 |
| 5 | 14032130231440 |
| 6 | 1005220132252 |
| 7 | 106201024622 |
| oct | 20476765250 |
| 9 | 5674181655 |
| 10 | 2231102120 |
| 11 | a45443055 |
| 12 | 523237088 |
| 13 | 297301190 |
| 14 | 172455c12 |
| 15 | d0d12465 |
| hex | 84fbeaa8 |
2231102120 has 128 divisors (see below), whose sum is σ = 5700119040. Its totient is φ = 779750400.
The previous prime is 2231102087. The next prime is 2231102123. The reversal of 2231102120 is 212011322.
It is a happy number.
It is a super-3 number, since 3×22311021203 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2231102095 and 2231102104.
It is not an unprimeable number, because it can be changed into a prime (2231102123) 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 31 ways as a sum of consecutive naturals, for example, 1207037 + ... + 1208883.
It is an arithmetic number, because the mean of its divisors is an integer number (44532180).
Almost surely, 22231102120 is an apocalyptic number.
2231102120 is a gapful number since it is divisible by the number (20) 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 2231102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850059520).
2231102120 is an abundant number, since it is smaller than the sum of its proper divisors (3469016920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231102120 is a wasteful number, since it uses less digits than its factorization.
2231102120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1995 (or 1991 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2231102120 is about 47234.5437153785. The cubic root of 2231102120 is about 1306.6917515083.
Adding to 2231102120 its reverse (212011322), we get a palindrome (2443113442).
The spelling of 2231102120 in words is "two billion, two hundred thirty-one million, one hundred two thousand, one hundred twenty".
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