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111212110121122 = 2312063869483137
BaseRepresentation
bin11001010010010110010110…
…010100011000100010100010
3112120202202220011120210020001
4121102112112110120202202
5104034044400142333442
61032310045454210214
732265544522534303
oct3122262624304242
9476682804523201
10111212110121122
113248787796254a
121058179a7b396a
134a093457991ba
141d669a29507aa
15cccd376722b7
hex6525965188a2

111212110121122 has 16 divisors (see below), whose sum is σ = 172282866895872. Its totient is φ = 53786226792960.

The previous prime is 111212110121113. The next prime is 111212110121143. The reversal of 111212110121122 is 221121011212111.

It is a self number, because there is not a number n which added to its sum of digits gives 111212110121122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 434613663 + ... + 434869474.

It is an arithmetic number, because the mean of its divisors is an integer number (10767679180992).

Almost surely, 2111212110121122 is an apocalyptic number.

111212110121122 is a deficient number, since it is larger than the sum of its proper divisors (61070756774750).

111212110121122 is a wasteful number, since it uses less digits than its factorization.

111212110121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869485233.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111212110121122 its reverse (221121011212111), we get a palindrome (332333121333233).

The spelling of 111212110121122 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 31 62 2063 4126 63953 127906 869483137 1738966274 26953977247 53907954494 1793743711631 3587487423262 55606055060561 111212110121122