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212112202022211 = 3531638184288383
BaseRepresentation
bin110000001110101000111000…
…011101000011110101000011
31000211000201200001121110100010
4300032220320131003311003
5210300221242204202321
62031043000030200003
762451413046641361
oct6016507035036503
91024021601543303
10212112202022211
1161649309319127
121b958923353003
13914813043758a
143a543dd02c631
15197c7d2573676
hexc0ea38743d43

212112202022211 has 16 divisors (see below), whose sum is σ = 289920231714816. Its totient is φ = 137888890659936.

The previous prime is 212112202022191. The next prime is 212112202022213. The reversal of 212112202022211 is 112220202211212.

It is not a de Polignac number, because 212112202022211 - 219 = 212112201497923 is a prime.

It is a super-2 number, since 2×2121122020222112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212112202022213) 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, 4092118275 + ... + 4092170108.

It is an arithmetic number, because the mean of its divisors is an integer number (18120014482176).

Almost surely, 2212112202022211 is an apocalyptic number.

212112202022211 is a deficient number, since it is larger than the sum of its proper divisors (77808029692605).

212112202022211 is a wasteful number, since it uses less digits than its factorization.

212112202022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184288602.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212112202022211 its reverse (112220202211212), we get a palindrome (324332404233423).

The spelling of 212112202022211 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred two million, twenty-two thousand, two hundred eleven".

Divisors: 1 3 53 159 163 489 8639 25917 8184288383 24552865149 433767284299 1301301852897 1334039006429 4002117019287 70704067340737 212112202022211