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111002100211212 = 223788111231335661
BaseRepresentation
bin11001001111010010110000…
…110000001001111000001100
3112120000200211012212222202120
4121033102300300021320030
5104022124300123224322
61032025354425052540
732244431344002420
oct3117226060117014
9476020735788676
10111002100211212
11324067a9828931
1210548b4a927150
1349c25b7700012
141d5a75d28ab80
15cc7645533a5c
hex64f4b0c09e0c

111002100211212 has 96 divisors (see below), whose sum is σ = 296605694697984. Its totient is φ = 31650654182400.

The previous prime is 111002100211187. The next prime is 111002100211273. The reversal of 111002100211212 is 212112001200111.

It is a happy number.

It is a super-2 number, since 2×1110021002112122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111002100211191 and 111002100211200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82438662 + ... + 83774322.

It is an arithmetic number, because the mean of its divisors is an integer number (3089642653104).

Almost surely, 2111002100211212 is an apocalyptic number.

111002100211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111002100211212 is an abundant number, since it is smaller than the sum of its proper divisors (185603594486772).

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

111002100211212 is a wasteful number, since it uses less digits than its factorization.

111002100211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337679 (or 1337677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111002100211212 its reverse (212112001200111), we get a palindrome (323114101411323).

The spelling of 111002100211212 in words is "one hundred eleven trillion, two billion, one hundred million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 881 1123 1762 2246 2643 3369 3524 4492 5286 6167 6738 7861 10572 12334 13476 15722 18501 23583 24668 31444 37002 47166 74004 94332 989363 1335661 1978726 2671322 2968089 3957452 4006983 5342644 5936178 6925541 8013966 9349627 11872356 13851082 16027932 18699254 20776623 27702164 28048881 37398508 41553246 56097762 83106492 112195524 1176717341 1499947303 2353434682 2999894606 3530152023 4499841909 4706869364 5999789212 7060304046 8237021387 8999683818 10499631121 14120608092 16474042774 17999367636 20999262242 24711064161 31498893363 32948085548 41998524484 49422128322 62997786726 98844256644 125995573452 1321453573943 2642907147886 3964360721829 5285814295772 7928721443658 9250175017601 15857442887316 18500350035202 27750525052803 37000700070404 55501050105606 111002100211212