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111011120100220 = 22523713398993267
BaseRepresentation
bin11001001111011011001010…
…011000010011001101111100
3112120001120002211101211100211
4121033123022120103031330
5104022301233221201340
61032033445440402204
732245201020541054
oct3117331230231574
9476046084354324
10111011120100220
113240a608273a5a
121054a847616364
1349c33c4325052
141d5ad7719c564
15cc79c233d5ea
hex64f6ca61337c

111011120100220 has 48 divisors (see below), whose sum is σ = 246685335418368. Its totient is φ = 41875597037120.

The previous prime is 111011120100161. The next prime is 111011120100317. The reversal of 111011120100220 is 22001021110111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111011120100220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699463974 + ... + 1699529293.

It is an arithmetic number, because the mean of its divisors is an integer number (5139277821216).

Almost surely, 2111011120100220 is an apocalyptic number.

111011120100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011120100220 is an abundant number, since it is smaller than the sum of its proper divisors (135674215318148).

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

111011120100220 is a wasteful number, since it uses less digits than its factorization.

111011120100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398993370 (or 3398993368 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111011120100220 its reverse (22001021110111), we get a palindrome (133012141210331).

The spelling of 111011120100220 in words is "one hundred eleven trillion, eleven billion, one hundred twenty million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 71 92 115 142 230 284 355 460 710 1420 1633 3266 6532 8165 16330 32660 3398993267 6797986534 13595973068 16994966335 33989932670 67979865340 78176845141 156353690282 241328521957 312707380564 390884225705 482657043914 781768451410 965314087828 1206642609785 1563536902820 2413285219570 4826570439140 5550556005011 11101112010022 22202224020044 27752780025055 55505560050110 111011120100220