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2112010101222 = 237831808933493
BaseRepresentation
bin11110101110111101100…
…111001010000111100110
321110220110121121112211120
4132232331213022013212
5234100344041214342
64254124414114410
7305405402440650
oct36567547120746
97426417545746
102112010101222
1174477570777a
122a13a3aaba06
13124214334288
14743169db6d0
1539e117d0aec
hex1ebbd9ca1e6

2112010101222 has 64 divisors (see below), whose sum is σ = 4886029693440. Its totient is φ = 596110443264.

The previous prime is 2112010101199. The next prime is 2112010101247. The reversal of 2112010101222 is 2221010102112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63041508 + ... + 63075000.

It is an arithmetic number, because the mean of its divisors is an integer number (76344213960).

Almost surely, 22112010101222 is an apocalyptic number.

2112010101222 is an abundant number, since it is smaller than the sum of its proper divisors (2774019592218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112010101222 is a wasteful number, since it uses less digits than its factorization.

2112010101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51677.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112010101222 its reverse (2221010102112), we get a palindrome (4333020203334).

The spelling of 2112010101222 in words is "two trillion, one hundred twelve billion, ten million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 83 166 249 498 581 1162 1743 3486 18089 33493 36178 54267 66986 100479 108534 126623 200958 234451 253246 379869 468902 703353 759738 1406706 1501387 2779919 3002774 4504161 5559838 8339757 9008322 10509709 16679514 19459433 21019418 31529127 38918866 58378299 63058254 116756598 605854877 1211709754 1817564631 3635129262 4240984139 8481968278 12722952417 25445904834 50285954791 100571909582 150857864373 301715728746 352001683537 704003367074 1056005050611 2112010101222