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212011110112011 = 3730859327157949
BaseRepresentation
bin110000001101001010101110…
…111010000001101100001011
31000210200001201210100022212220
4300031022232322001230023
5210242042223142041021
62030524320455505123
762441203643612250
oct6015125672015413
91023601653308786
10212011110112011
116160a4525a3801
121b94120b9881a3
13913b73c64a432
143a4d56cd77427
151979d6754ecc6
hexc0d2aee81b0b

212011110112011 has 16 divisors (see below), whose sum is σ = 323075018784000. Its totient is φ = 121145279512608.

The previous prime is 212011110112007. The next prime is 212011110112051. The reversal of 212011110112011 is 110211011110212.

It is not a de Polignac number, because 212011110112011 - 22 = 212011110112007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011110112051) 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, 162930936 + ... + 164227013.

It is an arithmetic number, because the mean of its divisors is an integer number (20192188674000).

Almost surely, 2212011110112011 is an apocalyptic number.

212011110112011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212011110112011 is a deficient number, since it is larger than the sum of its proper divisors (111063908671989).

212011110112011 is a wasteful number, since it uses less digits than its factorization.

212011110112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327188818.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212011110112011 its reverse (110211011110212), we get a palindrome (322222121222223).

The spelling of 212011110112011 in words is "two hundred twelve trillion, eleven billion, one hundred ten million, one hundred twelve thousand, eleven".

Divisors: 1 3 7 21 30859 92577 216013 648039 327157949 981473847 2290105643 6870316929 10095767148191 30287301444573 70670370037337 212011110112011