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221002212020110 = 25179236314075041
BaseRepresentation
bin110010010000000000010110…
…010101111000111110001110
31001222111121100010211020211221
4302100000112111320332032
5212431400012234120420
62102011003053233554
764356611560056613
oct6220002625707616
91058447303736757
10221002212020110
116446656a195774
12209538617928ba
13964155abbac91
143c807c7db450a
151a83b9497ecaa
hexc90016578f8e

221002212020110 has 32 divisors (see below), whose sum is σ = 421208806089312. Its totient is φ = 83199926046720.

The previous prime is 221002212020077. The next prime is 221002212020113. The reversal of 221002212020110 is 11020212200122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002212020113) 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, 8664190 + ... + 22739230.

It is an arithmetic number, because the mean of its divisors is an integer number (13162775190291).

Almost surely, 2221002212020110 is an apocalyptic number.

221002212020110 is a deficient number, since it is larger than the sum of its proper divisors (200206594069202).

221002212020110 is a wasteful number, since it uses less digits than its factorization.

221002212020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167428.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002212020110 its reverse (11020212200122), we get a palindrome (232022424220232).

The spelling of 221002212020110 in words is "two hundred twenty-one trillion, two billion, two hundred twelve million, twenty thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 85 170 92363 184726 461815 923630 1570171 3140342 7850855 14075041 15701710 28150082 70375205 140750410 239275697 478551394 1196378485 2392756970 1300013011883 2600026023766 6500065059415 13000130118830 22100221202011 44200442404022 110501106010055 221002212020110