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212011112102211 = 3321127137166783
BaseRepresentation
bin110000001101001010101111…
…000001100111100101000011
31000210200001201221002102221000
4300031022233001213211003
5210242042224144232321
62030524321010303043
762441203666541502
oct6015125701474503
91023601657072830
10212011112102211
116160a453732aa4
121b941210587a83
13913b73cb96276
143a4d56d334839
151979d677e4826
hexc0d2af067943

212011112102211 has 16 divisors (see below), whose sum is σ = 314092031569920. Its totient is φ = 141340068596520.

The previous prime is 212011112102189. The next prime is 212011112102243. The reversal of 212011112102211 is 112201211110212.

It is a happy number.

212011112102211 is a `hidden beast` number, since 2 + 120 + 1 + 111 + 210 + 221 + 1 = 666.

It is not a de Polignac number, because 212011112102211 - 26 = 212011112102147 is a prime.

It is a super-2 number, since 2×2120111121022112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011112102411) 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, 12879075 + ... + 24287708.

It is an arithmetic number, because the mean of its divisors is an integer number (19630751973120).

Almost surely, 2212011112102211 is an apocalyptic number.

212011112102211 is a deficient number, since it is larger than the sum of its proper divisors (102080919467709).

212011112102211 is a wasteful number, since it uses less digits than its factorization.

212011112102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37378063 (or 37378057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212011112102211 its reverse (112201211110212), we get a palindrome (324212323212423).

The spelling of 212011112102211 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, one hundred two thousand, two hundred eleven".

Divisors: 1 3 9 27 211271 633813 1901439 5704317 37166783 111500349 334501047 1003503141 7852263411193 23556790233579 70670370700737 212011112102211