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103221021211 = 7113291033709
BaseRepresentation
bin110000000100001110…
…0111100101000011011
3100212102122120011200121
41200020130330220123
53142344040134321
6115230304414111
710312625126620
oct1401034745033
9325378504617
10103221021211
113a859637000
1218008617337
13996cc2b459
144dd2b5c347
152a41ddb441
hex180873ca1b

103221021211 has 64 divisors (see below), whose sum is σ = 135568742400. Its totient is φ = 76883748480.

The previous prime is 103221021097. The next prime is 103221021217. The reversal of 103221021211 is 112120122301.

It is not a de Polignac number, because 103221021211 - 211 = 103221019163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103221021217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27828025 + ... + 27831733.

It is an arithmetic number, because the mean of its divisors is an integer number (2118261600).

Almost surely, 2103221021211 is an apocalyptic number.

103221021211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103221021211 is a deficient number, since it is larger than the sum of its proper divisors (32347721189).

103221021211 is a wasteful number, since it uses less digits than its factorization.

103221021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 103221021211 its reverse (112120122301), we get a palindrome (215341143512).

The spelling of 103221021211 in words is "one hundred three billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".

Divisors: 1 7 11 29 77 103 121 203 319 721 847 1133 1331 2233 2987 3509 3709 7931 9317 12463 20909 24563 25963 32857 38599 40799 87241 107561 137093 229999 270193 285593 361427 382027 448789 752927 959651 1183171 2529989 2674189 3141523 3975697 4202297 4936679 8282197 11078783 13014881 27829879 29416079 34556753 46225267 77551481 91104167 121866613 143163691 323576869 508477937 853066291 1002145837 1340532743 3559345559 9383729201 14745860173 103221021211