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112111221020120 = 23573954311012559
BaseRepresentation
bin11001011111011011101101…
…100000010001010111011000
3112200221201122202100212011122
4121133123231200101113120
5104143312240040120440
61034235103421144412
732420524366221530
oct3137335540212730
9480851582325148
10112111221020120
11327a4113594623
12106a7aa50bb108
134a73072ca672a
141d982d7c164c0
15ce640bac67b5
hex65f6ed8115d8

112111221020120 has 64 divisors (see below), whose sum is σ = 288287010662400. Its totient is φ = 38437997754240.

The previous prime is 112111221020101. The next prime is 112111221020177. The reversal of 112111221020120 is 21020122111211.

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, 110214401 + ... + 111226959.

It is an arithmetic number, because the mean of its divisors is an integer number (4504484541600).

Almost surely, 2112111221020120 is an apocalyptic number.

112111221020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111221020120 is an abundant number, since it is smaller than the sum of its proper divisors (176175789642280).

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

112111221020120 is a wasteful number, since it uses less digits than its factorization.

112111221020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408008 (or 1408004 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112111221020120 its reverse (21020122111211), we get a palindrome (133131343131331).

The spelling of 112111221020120 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-one million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 395431 790862 1012559 1581724 1977155 2025118 2768017 3163448 3954310 4050236 5062795 5536034 7087913 7908620 8100472 10125590 11072068 13840085 14175826 15817240 20251180 22144136 27680170 28351652 35439565 40502360 55360340 56703304 70879130 110720680 141758260 283516520 400397217929 800794435858 1601588871716 2001986089645 2802780525503 3203177743432 4003972179290 5605561051006 8007944358580 11211122102012 14013902627515 16015888717160 22422244204024 28027805255030 56055610510060 112111221020120