Base | Representation |
---|---|
bin | 11110111000010001101… |
… | …101100110011111001101 |
3 | 21111212021121002101222012 |
4 | 132320101231212133031 |
5 | 234231334304323041 |
6 | 4302501032231005 |
7 | 306211260662246 |
oct | 36702155463715 |
9 | 7455247071865 |
10 | 2122011011021 |
11 | 748a37993290 |
12 | 2a331523b465 |
13 | 12514927c895 |
14 | 749c4d19ccd |
15 | 3a2e97bd3eb |
hex | 1ee11b667cd |
2122011011021 has 16 divisors (see below), whose sum is σ = 2318068368000. Its totient is φ = 1926479712000.
The previous prime is 2122011010993. The next prime is 2122011011047. The reversal of 2122011011021 is 1201101102212.
It is a cyclic number.
It is not a de Polignac number, because 2122011011021 - 226 = 2121943902157 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2122011010987 and 2122011011005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122011011321) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29399945 + ... + 29472033.
It is an arithmetic number, because the mean of its divisors is an integer number (144879273000).
Almost surely, 22122011011021 is an apocalyptic number.
It is an amenable number.
2122011011021 is a deficient number, since it is larger than the sum of its proper divisors (196057356979).
2122011011021 is a wasteful number, since it uses less digits than its factorization.
2122011011021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75700.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 2122011011021 its reverse (1201101102212), we get a palindrome (3323112113233).
The spelling of 2122011011021 in words is "two trillion, one hundred twenty-two billion, eleven million, eleven thousand, twenty-one".
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