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12100122221110 = 2571175120924693
BaseRepresentation
bin1011000000010100011101…
…1111001001101000110110
31120211202112022200220212221
42300011013133021220312
53041222022242033420
641422415220432554
72356130210602540
oct260050737115066
946752468626787
1012100122221110
1139456a65a9490
12143510254875a
1369a0626231c1
142db912d76690
1515eb42c4dcaa
hexb01477c9a36

12100122221110 has 64 divisors (see below), whose sum is σ = 27190719166464. Its totient is φ = 3766444560000.

The previous prime is 12100122221101. The next prime is 12100122221189. The reversal of 12100122221110 is 1112222100121.

It is a congruent number.

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, 9884077 + ... + 11040616.

It is an arithmetic number, because the mean of its divisors is an integer number (424854986976).

Almost surely, 212100122221110 is an apocalyptic number.

12100122221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100122221110 is an abundant number, since it is smaller than the sum of its proper divisors (15090596945354).

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

12100122221110 is a wasteful number, since it uses less digits than its factorization.

12100122221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20925469.

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

Adding to 12100122221110 its reverse (1112222100121), we get a palindrome (13212344321231).

The spelling of 12100122221110 in words is "twelve trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 751 770 1502 3755 5257 7510 8261 10514 16522 26285 41305 52570 57827 82610 115654 289135 578270 20924693 41849386 104623465 146472851 209246930 230171623 292945702 460343246 732364255 1150858115 1464728510 1611201361 2301716230 3222402722 8056006805 15714444443 16112013610 31428888886 78572222215 110001111101 157144444430 172858888873 220002222202 345717777746 550005555505 864294444365 1100011111010 1210012222111 1728588888730 2420024444222 6050061110555 12100122221110