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121021012201102 = 21352359930014951
BaseRepresentation
bin11011100001000101100110…
…011100010100111010001110
3120212111111101102100212112221
4123201011212130110322032
5111330302013110413402
61105220141355445554
734330323333535546
oct3341054634247216
9525444342325487
10121021012201102
11356197a5415862
12116a68241568ba
13526b3039bc9b0
1421c563bda4326
15ded07a929337
hex6e1166714e8e

121021012201102 has 64 divisors (see below), whose sum is σ = 196301289139200. Its totient is φ = 55626199200000.

The previous prime is 121021012201091. The next prime is 121021012201123. The reversal of 121021012201102 is 201102210120121.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 24443748727 + ... + 24443753677.

It is an arithmetic number, because the mean of its divisors is an integer number (3067207642800).

Almost surely, 2121021012201102 is an apocalyptic number.

121021012201102 is a deficient number, since it is larger than the sum of its proper divisors (75280276938098).

121021012201102 is a wasteful number, since it uses less digits than its factorization.

121021012201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089.

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

Adding to 121021012201102 its reverse (201102210120121), we get a palindrome (322123222321223).

The spelling of 121021012201102 in words is "one hundred twenty-one trillion, twenty-one billion, twelve million, two hundred one thousand, one hundred two".

Divisors: 1 2 13 26 523 599 1046 1198 3001 4951 6002 6799 7787 9902 13598 15574 39013 64363 78026 128726 313277 626554 1569523 1797599 2589373 2965649 3139046 3595198 4072601 5178746 5931298 8145202 14857951 20403799 23368787 29715902 33661849 38553437 40807598 46737574 67323698 77106874 193153363 386306726 940144277 1551034427 1880288554 3102068854 7770708373 8899912649 12221875601 15541416746 17799825298 20163447551 24443751202 40326895102 101019208849 115698864437 202038417698 231397728874 4654654315427 9309308630854 60510506100551 121021012201102