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2122010110020 = 2235283124971149
BaseRepresentation
bin11110111000010001101…
…010001010100001000100
321111212021112101122000210
4132320101222022201010
5234231334042010040
64302501001035420
7306211250220363
oct36702152124104
97455245348023
102122010110020
11748a37428359
122a3314a85b70
13125149025748
14749c4b637da
153a2e9691480
hex1ee11a8a844

2122010110020 has 48 divisors (see below), whose sum is σ = 5962623508800. Its totient is φ = 563869819776.

The previous prime is 2122010110001. The next prime is 2122010110021. The reversal of 2122010110020 is 200110102212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2122010109978 and 2122010110005.

It is not an unprimeable number, because it can be changed into a prime (2122010110021) 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 15 ways as a sum of consecutive naturals, for example, 62468595 + ... + 62502554.

It is an arithmetic number, because the mean of its divisors is an integer number (124221323100).

Almost surely, 22122010110020 is an apocalyptic number.

2122010110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122010110020 is an abundant number, since it is smaller than the sum of its proper divisors (3840613398780).

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

2122010110020 is a wasteful number, since it uses less digits than its factorization.

2122010110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124971444 (or 124971442 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2122010110020 its reverse (200110102212), we get a palindrome (2322120212232).

The spelling of 2122010110020 in words is "two trillion, one hundred twenty-two billion, ten million, one hundred ten thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 283 566 849 1132 1415 1698 2830 3396 4245 5660 8490 16980 124971149 249942298 374913447 499884596 624855745 749826894 1249711490 1499653788 1874567235 2499422980 3749134470 7498268940 35366835167 70733670334 106100505501 141467340668 176834175835 212201011002 353668351670 424402022004 530502527505 707336703340 1061005055010 2122010110020