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12111110102102 = 21159193124938707
BaseRepresentation
bin1011000000111101011001…
…1010100101110001010110
31120212210220002100002222012
42300033112122211301112
53041412023141231402
641431433413104222
72356666412212154
oct260172632456126
946783802302865
1012111110102102
11394a324a0a070
12143726a328072
1369b0c3b9662b
142dc2763b03d4
151600876e7452
hexb03d66a5c56

12111110102102 has 64 divisors (see below), whose sum is σ = 20275250400000. Its totient is φ = 5379254599680.

The previous prime is 12111110102081. The next prime is 12111110102107. The reversal of 12111110102102 is 20120101111121.

12111110102102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111110102107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312872633 + ... + 312911339.

It is an arithmetic number, because the mean of its divisors is an integer number (316800787500).

Almost surely, 212111110102102 is an apocalyptic number.

12111110102102 is a deficient number, since it is larger than the sum of its proper divisors (8164140297898).

12111110102102 is a wasteful number, since it uses less digits than its factorization.

12111110102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40221.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12111110102102 its reverse (20120101111121), we get a palindrome (32231211213223).

The spelling of 12111110102102 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, one hundred two thousand, one hundred two".

Divisors: 1 2 11 22 59 118 193 386 649 1249 1298 2123 2498 4246 11387 13739 22774 27478 38707 73691 77414 125257 147382 241057 250514 425777 482114 810601 851554 1621202 2283713 2651627 4567426 5303254 7470451 14222363 14940902 25120843 28444726 48345043 50241686 82174961 96690086 156445993 164349922 312891986 440756609 531795473 881513218 1063590946 2852357537 4848322699 5704715074 9330593299 9696645398 18661186598 31375932907 62751865814 102636526289 205273052578 550505004641 1101010009282 6055555051051 12111110102102