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212111102110201 = 731933204143599
BaseRepresentation
bin110000001110100111110110…
…111001001110100111111001
31000211000121211101221010201021
4300032213312321032213321
5210300212014120011301
62031042254535222441
762451343562563000
oct6016476671164771
91024017741833637
10212111102110201
11616488a4463a38
121b958676b17a21
139147cb65b7978
143a54336d13c37
15197c76ac088a1
hexc0e9f6e4e9f9

212111102110201 has 16 divisors (see below), whose sum is σ = 248641543360000. Its totient is φ = 180867497819904.

The previous prime is 212111102110199. The next prime is 212111102110267. The reversal of 212111102110201 is 102011201111212.

It is not a de Polignac number, because 212111102110201 - 21 = 212111102110199 is a prime.

It is a super-2 number, since 2×2121111021102012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212111102110001) 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, 1602005601 + ... + 1602137998.

It is an arithmetic number, because the mean of its divisors is an integer number (15540096460000).

Almost surely, 2212111102110201 is an apocalyptic number.

It is an amenable number.

212111102110201 is a deficient number, since it is larger than the sum of its proper divisors (36530441249799).

212111102110201 is an equidigital number, since it uses as much as digits as its factorization.

212111102110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204143813 (or 3204143799 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 212111102110201 its reverse (102011201111212), we get a palindrome (314122303221413).

The spelling of 212111102110201 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred two million, one hundred ten thousand, two hundred one".

Divisors: 1 7 49 193 343 1351 9457 66199 3204143599 22429005193 157003036351 618399714607 1099021254457 4328798002249 30301586015743 212111102110201