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112221020111200 = 255271121321496577
BaseRepresentation
bin11001100001000001111110…
…000010100100000101100000
3112201100020001211201121022121
4121201001332002210011200
5104202112122122024300
61034401342552514024
732431462331130640
oct3141017602440540
9481306054647277
10112221020111200
1132836738290900
12107052286ab914
134a8052098b700
141d9d75245c520
15ce91d623581a
hex66107e0a4160

112221020111200 has 1296 divisors, whose sum is σ = 375214911271200. Its totient is φ = 32065796505600.

The previous prime is 112221020111173. The next prime is 112221020111237. The reversal of 112221020111200 is 2111020122211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 17062642312 + ... + 17062648888.

It is an arithmetic number, because the mean of its divisors is an integer number (289517678450).

Almost surely, 2112221020111200 is an apocalyptic number.

112221020111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112221020111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187607455635600).

112221020111200 is an abundant number, since it is smaller than the sum of its proper divisors (262993891160000).

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

112221020111200 is a wasteful number, since it uses less digits than its factorization.

112221020111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801 (or 6764 counting only the distinct ones).

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

Adding to 112221020111200 its reverse (2111020122211), we get a palindrome (114332040233411).

The spelling of 112221020111200 in words is "one hundred twelve trillion, two hundred twenty-one billion, twenty million, one hundred eleven thousand, two hundred".