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112112122 = 21941227317
BaseRepresentation
bin1101010111010…
…11000111111010
321210221212220211
412223223013322
5212200041442
615042541334
72530636333
oct653530772
9253855824
10112112122
1158314551
123166784a
131a2c4845
1410c6528a
159c98617
hex6aeb1fa

112112122 has 32 divisors (see below), whose sum is σ = 182710080. Its totient is φ = 51419520.

The previous prime is 112112111. The next prime is 112112123. The reversal of 112112122 is 221211211.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (112112123) 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 15 ways as a sum of consecutive naturals, for example, 353508 + ... + 353824.

It is an arithmetic number, because the mean of its divisors is an integer number (5709690).

Almost surely, 2112112122 is an apocalyptic number.

112112122 is a deficient number, since it is larger than the sum of its proper divisors (70597958).

112112122 is a wasteful number, since it uses less digits than its factorization.

112112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

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

The square root of 112112122 is about 10588.3011857427. The cubic root of 112112122 is about 482.1892503626.

Adding to 112112122 its reverse (221211211), we get a palindrome (333323333).

The spelling of 112112122 in words is "one hundred twelve million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 19 38 41 82 227 317 454 634 779 1558 4313 6023 8626 9307 12046 12997 18614 25994 71959 143918 176833 246943 353666 493886 1367221 2734442 2950319 5900638 56056061 112112122