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2021112020112 = 2431918112243821
BaseRepresentation
bin11101011010010011101…
…010011111110010010000
321011012211202211121000220
4131122103222133302100
5231103214134120422
64144252552513040
7266010016500063
oct35322352376220
97135752747026
102021112020112
1170a170054a99
122878563ab780
1311878943ab73
146db727228da
15378916a5e5c
hex1d693a9fc90

2021112020112 has 80 divisors (see below), whose sum is σ = 5526371497920. Its totient is φ = 634719628800.

The previous prime is 2021112020089. The next prime is 2021112020159. The reversal of 2021112020112 is 2110202111202.

It is a junction number, because it is equal to n+sod(n) for n = 2021112020091 and 2021112020100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5956839 + ... + 6286982.

It is an arithmetic number, because the mean of its divisors is an integer number (69079643724).

Almost surely, 22021112020112 is an apocalyptic number.

It is an amenable number.

2021112020112 is an abundant number, since it is smaller than the sum of its proper divisors (3505259477808).

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

2021112020112 is a wasteful number, since it uses less digits than its factorization.

2021112020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244032 (or 12244026 counting only the distinct ones).

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

Adding to 2021112020112 its reverse (2110202111202), we get a palindrome (4131314131314).

The spelling of 2021112020112 in words is "two trillion, twenty-one billion, one hundred twelve million, twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 181 228 304 362 456 543 724 912 1086 1448 2172 2896 3439 4344 6878 8688 10317 13756 20634 27512 41268 55024 82536 165072 12243821 24487642 36731463 48975284 73462926 97950568 146925852 195901136 232632599 293851704 465265198 587703408 697897797 930530396 1395795594 1861060792 2216131601 2791591188 3722121584 4432263202 5583182376 6648394803 8864526404 11166364752 13296789606 17729052808 26593579212 35458105616 42106500419 53187158424 84213000838 106374316848 126319501257 168426001676 252639002514 336852003352 505278005028 673704006704 1010556010056 2021112020112