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212101201102210 = 25723131739876461
BaseRepresentation
bin110000001110011110101000…
…101111111000010110000010
31000210222200021101102211002121
4300032132220233320112002
5210300031224440232320
62031033540250234454
762450543326444330
oct6016365057702602
91023880241384077
10212101201102210
1161644683612102
121b956773125a2a
13914709927a264
143a53a77d9cb50
15197c38b8a18aa
hexc0e7a8bf8582

212101201102210 has 32 divisors (see below), whose sum is σ = 455293013052672. Its totient is φ = 69558654770880.

The previous prime is 212101201102139. The next prime is 212101201102229. The reversal of 212101201102210 is 12201102101212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65869936621 + ... + 65869939840.

It is an arithmetic number, because the mean of its divisors is an integer number (14227906657896).

Almost surely, 2212101201102210 is an apocalyptic number.

212101201102210 is an abundant number, since it is smaller than the sum of its proper divisors (243191811950462).

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

212101201102210 is a wasteful number, since it uses less digits than its factorization.

212101201102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131739876498.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212101201102210 its reverse (12201102101212), we get a palindrome (224302303203422).

The spelling of 212101201102210 in words is "two hundred twelve trillion, one hundred one billion, two hundred one million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 131739876461 263479752922 658699382305 922179135227 1317398764610 1844358270454 3030017158603 4610895676135 6060034317206 9221791352270 15150085793015 21210120110221 30300171586030 42420240220442 106050600551105 212101201102210