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11220011011200 = 273521373851239
BaseRepresentation
bin1010001101000101110011…
…0001010100110010000000
31110201121210212012001120210
42203101130301110302000
52432312040304324300
635510222451034120
72235422222005005
oct243213461246200
943647725161523
1011220011011200
11363641a78aaa2
12131261ab9b940
136350724a4a54
142ab0a11a78ac
15146cd1822050
hexa345cc54c80

11220011011200 has 192 divisors, whose sum is σ = 36982870891200. Its totient is φ = 2989820252160.

The previous prime is 11220011011147. The next prime is 11220011011207. The reversal of 11220011011200 is 211011002211.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11220011011207) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12755181 + ... + 13606419.

It is an arithmetic number, because the mean of its divisors is an integer number (192619119225).

Almost surely, 211220011011200 is an apocalyptic number.

11220011011200 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 11220011011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18491435445600).

11220011011200 is an abundant number, since it is smaller than the sum of its proper divisors (25762859880000).

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

11220011011200 is a wasteful number, since it uses less digits than its factorization.

11220011011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852639 (or 852622 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11220011011200 its reverse (211011002211), we get a palindrome (11431022013411).

The spelling of 11220011011200 in words is "eleven trillion, two hundred twenty billion, eleven million, eleven thousand, two hundred".