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112220221112220 = 2235132631063514621
BaseRepresentation
bin11001100001000001001110…
…011010100111111110011100
3112201100011000011021020202210
4121201001032122213332130
5104202104003101042340
61034401131411320420
732431433456553564
oct3141011632477634
9481304004236683
10112220221112220
1132836368274071
1210705044bb0110
134a80424299350
141d9d6b82b3da4
15ce918b00a180
hex66104e6a7f9c

112220221112220 has 192 divisors, whose sum is σ = 339993974605824. Its totient is φ = 27492466037760.

The previous prime is 112220221112203. The next prime is 112220221112227. The reversal of 112220221112220 is 22211122022211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220221112227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217806510 + ... + 218321130.

It is an arithmetic number, because the mean of its divisors is an integer number (1770801951072).

Almost surely, 2112220221112220 is an apocalyptic number.

112220221112220 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 112220221112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169996987302912).

112220221112220 is an abundant number, since it is smaller than the sum of its proper divisors (227773753493604).

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

112220221112220 is a wasteful number, since it uses less digits than its factorization.

112220221112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515972 (or 515970 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112220221112220 its reverse (22211122022211), we get a palindrome (134431343134431).

Subtracting from 112220221112220 its reverse (22211122022211), we obtain a palindrome (90009099090009).

The spelling of 112220221112220 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty".