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111112110101200 = 2452131971106114929
BaseRepresentation
bin11001010000111001001101…
…110110100101001011010000
3112120102012202222220102122111
4121100321031312211023100
5104030430100141214300
61032152110530515104
732255404445433565
oct3120711566451320
9476365688812574
10111112110101200
113244942151348a
1210566330a35a94
1349cca99c80690
141d61bd78c686c
15cca4334319ba
hex650e4dda52d0

111112110101200 has 480 divisors, whose sum is σ = 307183751481600. Its totient is φ = 38280646656000.

The previous prime is 111112110101059. The next prime is 111112110101287. The reversal of 111112110101200 is 2101011211111.

It is a super-2 number, since 2×1111121101012002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7442695336 + ... + 7442710264.

It is an arithmetic number, because the mean of its divisors is an integer number (639966148920).

Almost surely, 2111112110101200 is an apocalyptic number.

111112110101200 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 111112110101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153591875740800).

111112110101200 is an abundant number, since it is smaller than the sum of its proper divisors (196071641380400).

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

111112110101200 is a wasteful number, since it uses less digits than its factorization.

111112110101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16111 (or 16100 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111112110101200 its reverse (2101011211111), we get a palindrome (113213121312311).

The spelling of 111112110101200 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred ten million, one hundred one thousand, two hundred".