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112102110220 = 2255605105511
BaseRepresentation
bin110100001100111001…
…1100111010000001100
3101201100120220020111011
41220121303213100030
53314041120011340
6123255441135004
711045665133452
oct1503163472014
9351316806434
10112102110220
11435a679a691
121988692a464
13a756b763c9
1455d645c9d2
152db192a0ea
hex1a19ce740c

112102110220 has 12 divisors (see below), whose sum is σ = 235414431504. Its totient is φ = 44840844080.

The previous prime is 112102110181. The next prime is 112102110223. The reversal of 112102110220 is 22011201211.

It is a self number, because there is not a number n which added to its sum of digits gives 112102110220.

It is not an unprimeable number, because it can be changed into a prime (112102110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802552736 + ... + 2802552775.

It is an arithmetic number, because the mean of its divisors is an integer number (19617869292).

Almost surely, 2112102110220 is an apocalyptic number.

112102110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112102110220 is an abundant number, since it is smaller than the sum of its proper divisors (123312321284).

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

112102110220 is a wasteful number, since it uses less digits than its factorization.

112102110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605105520 (or 5605105518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112102110220 its reverse (22011201211), we get a palindrome (134113311431).

Subtracting from 112102110220 its reverse (22011201211), we obtain a palindrome (90090909009).

The spelling of 112102110220 in words is "one hundred twelve billion, one hundred two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5605105511 11210211022 22420422044 28025527555 56051055110 112102110220