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212011022202211 = 474510872812813
BaseRepresentation
bin110000001101001010101001…
…101010101011010101100011
31000210200001111122221001022101
4300031022221222223111203
5210242042033140432321
62030524304035351231
762441201525443411
oct6015125152532543
91023601448831271
10212011022202211
116160a407a0a881
121b9411a6452517
13913b72737a9bb
143a4d5614122b1
151979d5e987791
hexc0d2a9aab563

212011022202211 has 4 divisors (see below), whose sum is σ = 216521895015072. Its totient is φ = 207500149389352.

The previous prime is 212011022202209. The next prime is 212011022202241. The reversal of 212011022202211 is 112202220110212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212011022202211 - 21 = 212011022202209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212011022202241) 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 3 ways as a sum of consecutive naturals, for example, 2255436406360 + ... + 2255436406453.

It is an arithmetic number, because the mean of its divisors is an integer number (54130473753768).

Almost surely, 2212011022202211 is an apocalyptic number.

212011022202211 is a deficient number, since it is larger than the sum of its proper divisors (4510872812861).

212011022202211 is an equidigital number, since it uses as much as digits as its factorization.

212011022202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510872812860.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212011022202211 its reverse (112202220110212), we get a palindrome (324213242312423).

The spelling of 212011022202211 in words is "two hundred twelve trillion, eleven billion, twenty-two million, two hundred two thousand, two hundred eleven".

Divisors: 1 47 4510872812813 212011022202211