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22112020210109 = 292107245724607
BaseRepresentation
bin1010000011100010110110…
…00111000010000110111101
32220021212222201002122021112
411001301123013002012331
510344240404133210414
6115010042153011405
74441353321424544
oct501613307020675
986255881078245
1022112020210109
117055722a49765
12259155a9b3b65
13c452017472ab
1456632832b15b
152852b74b1d3e
hex141c5b1c21bd

22112020210109 has 12 divisors (see below), whose sum is σ = 23114822425344. Its totient is φ = 21150008287632.

The previous prime is 22112020210039. The next prime is 22112020210121. The reversal of 22112020210109 is 90101202021122.

It is not a de Polignac number, because 22112020210109 - 216 = 22112020144573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112020210169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122772317 + ... + 122952290.

It is an arithmetic number, because the mean of its divisors is an integer number (1926235202112).

Almost surely, 222112020210109 is an apocalyptic number.

22112020210109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22112020210109 is a deficient number, since it is larger than the sum of its proper divisors (1002802215235).

22112020210109 is a wasteful number, since it uses less digits than its factorization.

22112020210109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245724772 (or 245724743 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22112020210109 in words is "twenty-two trillion, one hundred twelve billion, twenty million, two hundred ten thousand, one hundred nine".

Divisors: 1 29 107 841 3103 89987 245724607 7126013603 26292532949 206654394487 762483455521 22112020210109