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110111212220 = 2255505560611
BaseRepresentation
bin110011010001100100…
…0111100001010111100
3101112012211200010212012
41212203020330022330
53301001432242340
6122330121230352
710645441601222
oct1464310741274
9345184603765
10110111212220
11427749aa539
12194100323b8
13a4ca567c59
145487c92b12
152ce6c64565
hex19a323c2bc

110111212220 has 12 divisors (see below), whose sum is σ = 231233545704. Its totient is φ = 44044484880.

The previous prime is 110111212219. The next prime is 110111212229. The reversal of 110111212220 is 22212111011.

It is a junction number, because it is equal to n+sod(n) for n = 110111212195 and 110111212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111212229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752780286 + ... + 2752780325.

It is an arithmetic number, because the mean of its divisors is an integer number (19269462142).

Almost surely, 2110111212220 is an apocalyptic number.

110111212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110111212220 is an abundant number, since it is smaller than the sum of its proper divisors (121122333484).

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

110111212220 is a wasteful number, since it uses less digits than its factorization.

110111212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505560620 (or 5505560618 counting only the distinct ones).

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

Adding to 110111212220 its reverse (22212111011), we get a palindrome (132323323231).

The spelling of 110111212220 in words is "one hundred ten billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5505560611 11011121222 22022242444 27527803055 55055606110 110111212220