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111131102220000 = 25354171910355673
BaseRepresentation
bin11001010001001010111001…
…110111110000111011100000
3112120111000210120221000210220
4121101022321313300323200
5104031232444132020000
61032204531253523040
732256646211663412
oct3121127167607340
9476430716830726
10111131102220000
1132456488026435
1210569b51343480
134a018058bbab5
141d62ab9dac9b2
15ccab959611a0
hex6512b9df0ee0

111131102220000 has 960 divisors, whose sum is σ = 410241734622720. Its totient is φ = 26166730752000.

The previous prime is 111131102219993. The next prime is 111131102220007. The reversal of 111131102220000 is 22201131111.

111131102220000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (111131102219993) and next prime (111131102220007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131102220007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1996112164 + ... + 1996167836.

It is an arithmetic number, because the mean of its divisors is an integer number (427335140232).

Almost surely, 2111131102220000 is an apocalyptic number.

111131102220000 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 111131102220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205120867311360).

111131102220000 is an abundant number, since it is smaller than the sum of its proper divisors (299110632402720).

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

111131102220000 is a wasteful number, since it uses less digits than its factorization.

111131102220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55845 (or 55822 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111131102220000 its reverse (22201131111), we get a palindrome (111153303351111).

The spelling of 111131102220000 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred two million, two hundred twenty thousand".