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112220000221 = 743735107177
BaseRepresentation
bin110100010000011010…
…1010100111111011101
3101201122210201200011111
41220200311110333131
53314311310001341
6123315252022021
711051626156210
oct1504065247735
9351583650144
10112220000221
11436572a013a
12198ba301911
13a775411ac4
145607d89777
152dbbe65681
hex1a20d54fdd

112220000221 has 16 divisors (see below), whose sum is σ = 133031772544. Its totient is φ = 92664601344.

The previous prime is 112220000203. The next prime is 112220000227. The reversal of 112220000221 is 122000022211.

It is a happy number.

It is not a de Polignac number, because 112220000221 - 221 = 112217903069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220000227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531616 + ... + 2575561.

It is an arithmetic number, because the mean of its divisors is an integer number (8314485784).

Almost surely, 2112220000221 is an apocalyptic number.

It is an amenable number.

112220000221 is a deficient number, since it is larger than the sum of its proper divisors (20811772323).

112220000221 is an equidigital number, since it uses as much as digits as its factorization.

112220000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107300.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112220000221 its reverse (122000022211), we get a palindrome (234220022432).

The spelling of 112220000221 in words is "one hundred twelve billion, two hundred twenty million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 43 73 301 511 3139 21973 5107177 35750239 219608611 372823921 1537260277 2609767447 16031428603 112220000221