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112233132221 = 7191039812183
BaseRepresentation
bin110100010000110011…
…1011011000010111101
3101201200201102211212212
41220201213123002331
53314323140212341
6123320441310205
711052145612010
oct1504147330275
9351621384785
10112233132221
114366374a431
1219902795365
13a77805c112
145609a07377
152dbd1ab5eb
hex1a219db0bd

112233132221 has 16 divisors (see below), whose sum is σ = 135147417600. Its totient is φ = 91048850928.

The previous prime is 112233132197. The next prime is 112233132239. The reversal of 112233132221 is 122231332211.

It is not a de Polignac number, because 112233132221 - 214 = 112233115837 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 (112233132241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267905 + ... + 544278.

It is an arithmetic number, because the mean of its divisors is an integer number (8446713600).

Almost surely, 2112233132221 is an apocalyptic number.

It is an amenable number.

112233132221 is a deficient number, since it is larger than the sum of its proper divisors (22914285379).

112233132221 is a wasteful number, since it uses less digits than its factorization.

112233132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813248.

The product of its digits is 864, while the sum is 23.

Adding to 112233132221 its reverse (122231332211), we get a palindrome (234464464432).

The spelling of 112233132221 in words is "one hundred twelve billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 7 19 133 1039 7273 19741 138187 812183 5685281 15431477 108020339 843858137 5907006959 16033304603 112233132221