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2112013310220 = 223251129315361367
BaseRepresentation
bin11110101110111101110…
…011011001100100001100
321110220110211122120202100
4132232331303121210030
5234100400401411340
64254125010555100
7305405441634432
oct36567563314414
97426424576670
102112013310220
117447774a9740
122a13a4b98a90
13124214bb8aa8
14743171d4d52
1539e11c16830
hex1ebbdcd990c

2112013310220 has 1152 divisors, whose sum is σ = 7749583994880. Its totient is φ = 460422144000.

The previous prime is 2112013310219. The next prime is 2112013310227. The reversal of 2112013310220 is 220133102112.

2112013310220 is a `hidden beast` number, since 2 + 1 + 120 + 13 + 310 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2112013310193 and 2112013310202.

It is not an unprimeable number, because it can be changed into a prime (2112013310227) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5754804477 + ... + 5754804843.

It is an arithmetic number, because the mean of its divisors is an integer number (6727069440).

Almost surely, 22112013310220 is an apocalyptic number.

2112013310220 is a gapful number since it is divisible by the number (20) 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 2112013310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3874791997440).

2112013310220 is an abundant number, since it is smaller than the sum of its proper divisors (5637570684660).

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

2112013310220 is a wasteful number, since it uses less digits than its factorization.

2112013310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2112013310220 its reverse (220133102112), we get a palindrome (2332146412332).

The spelling of 2112013310220 in words is "two trillion, one hundred twelve billion, thirteen million, three hundred ten thousand, two hundred twenty".