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2112212102211 = 321018623269473
BaseRepresentation
bin11110101111001001101…
…001101110110001000011
321110220222200201021002200
4132233021221232301003
5234101302244232321
64254200431444243
7305413404431061
oct36571151566103
97426880637080
102112212102211
11744869737042
122a143b686683
1312424713c2a3
1474335781031
1539e243d2d26
hex1ebc9a6ec43

2112212102211 has 24 divisors (see below), whose sum is σ = 3081549446976. Its totient is φ = 1394032550400.

The previous prime is 2112212102159. The next prime is 2112212102237. The reversal of 2112212102211 is 1122012122112.

2112212102211 is a `hidden beast` number, since 2 + 11 + 221 + 210 + 221 + 1 = 666.

It is not a de Polignac number, because 2112212102211 - 213 = 2112212094019 is a prime.

It is a super-2 number, since 2×21122121022112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112212102261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7703571 + ... + 7973043.

It is an arithmetic number, because the mean of its divisors is an integer number (128397893624).

Almost surely, 22112212102211 is an apocalyptic number.

2112212102211 is a deficient number, since it is larger than the sum of its proper divisors (969337344765).

2112212102211 is a wasteful number, since it uses less digits than its factorization.

2112212102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278203 (or 278200 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2112212102211 its reverse (1122012122112), we get a palindrome (3234224224323).

The spelling of 2112212102211 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred two thousand, two hundred eleven".

Divisors: 1 3 9 101 303 909 8623 25869 77607 269473 808419 870923 2425257 2612769 7838307 27216773 81650319 244950957 2323665679 6970997037 20912991111 234690233579 704070700737 2112212102211