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11220112011200 = 265215756697879
BaseRepresentation
bin1010001101000110001011…
…0010100110111111000000
31110201122001220020101112112
42203101202302212333000
52432312242133324300
635510240455514452
72235424556333441
oct243214262467700
943648056211475
1011220112011200
1136364717a4874
121312648988a28
1363508a3a8771
142ab0b07792c8
15146cda622e35
hexa3462ca6fc0

11220112011200 has 168 divisors, whose sum is σ = 27792766461600. Its totient is φ = 4458105999360.

The previous prime is 11220112011197. The next prime is 11220112011211. The reversal of 11220112011200 is 211021102211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1424048861 + ... + 1424056739.

It is an arithmetic number, because the mean of its divisors is an integer number (165433133700).

Almost surely, 211220112011200 is an apocalyptic number.

11220112011200 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 11220112011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13896383230800).

11220112011200 is an abundant number, since it is smaller than the sum of its proper divisors (16572654450400).

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

11220112011200 is a wasteful number, since it uses less digits than its factorization.

11220112011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13727 (or 13712 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11220112011200 its reverse (211021102211), we get a palindrome (11431133113411).

The spelling of 11220112011200 in words is "eleven trillion, two hundred twenty billion, one hundred twelve million, eleven thousand, two hundred".