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110001111000221 = 7312011252072383
BaseRepresentation
bin11001000000101110100001…
…001001010110010010011101
3112102111000002120002102220102
4121000232201021112102131
5103404224233404001341
61025541451320230445
732112214035046340
oct3100564111262235
9472430076072812
10110001111000221
11320602334890a1
1210406b5160b425
13494c0a250403c
141d24121704457
15cab5ac01cc9b
hex640ba125649d

110001111000221 has 16 divisors (see below), whose sum is σ = 129835426971648. Its totient is φ = 91199787807600.

The previous prime is 110001111000203. The next prime is 110001111000227. The reversal of 110001111000221 is 122000111100011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-110001111000221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001111000227) 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, 125599805 + ... + 126472578.

It is an arithmetic number, because the mean of its divisors is an integer number (8114714185728).

Almost surely, 2110001111000221 is an apocalyptic number.

It is an amenable number.

110001111000221 is a deficient number, since it is larger than the sum of its proper divisors (19834315971427).

110001111000221 is a wasteful number, since it uses less digits than its factorization.

110001111000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252074432.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110001111000221 its reverse (122000111100011), we get a palindrome (232001222100232).

The spelling of 110001111000221 in words is "one hundred ten trillion, one billion, one hundred eleven million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 31 217 2011 14077 62341 436387 252072383 1764506681 7814243873 54699707111 506917562213 3548422935491 15714444428603 110001111000221