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212011112002101 = 3532447595447821
BaseRepresentation
bin110000001101001010101111…
…000001001111001000110101
31000210200001201220220100121020
4300031022233001033020311
5210242042224133031401
62030524321004211353
762441203665643566
oct6015125701171065
91023601656810536
10212011112002101
116160a453674865
121b941210539b59
13913b73cb5c829
143a4d56d30a16d
151979d677c4d36
hexc0d2af04f235

212011112002101 has 16 divisors (see below), whose sum is σ = 288016325147520. Its totient is φ = 138673342866240.

The previous prime is 212011112002087. The next prime is 212011112002111. The reversal of 212011112002101 is 101200211110212.

It is a happy number.

It is not a de Polignac number, because 212011112002101 - 219 = 212011111477813 is a prime.

It is a super-2 number, since 2×2120111120021012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011112002111) 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, 36192771 + ... + 41640591.

It is an arithmetic number, because the mean of its divisors is an integer number (18001020321720).

Almost surely, 2212011112002101 is an apocalyptic number.

It is an amenable number.

212011112002101 is a deficient number, since it is larger than the sum of its proper divisors (76005213145419).

212011112002101 is a wasteful number, since it uses less digits than its factorization.

212011112002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692636.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212011112002101 its reverse (101200211110212), we get a palindrome (313211323112313).

The spelling of 212011112002101 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, two thousand, one hundred one".

Divisors: 1 3 53 159 244759 734277 5447821 12972227 16343463 38916681 288734513 866203539 1333403220139 4000209660417 70670370667367 212011112002101