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212100011102201 = 7125726994306717
BaseRepresentation
bin110000001110011101100001…
…110100011000111111111001
31000210222120012110020112222012
4300032131201310120333321
5210300021310320232301
62031033222220335305
762450501666555465
oct6016354164307771
91023876173215865
10212100011102201
1161644122916522
121b9564a06a4535
139146c39877641
143a539a3d134a5
15197c31c18debb
hexc0e761d18ff9

212100011102201 has 16 divisors (see below), whose sum is σ = 216004302633600. Its totient is φ = 208221794242560.

The previous prime is 212100011102171. The next prime is 212100011102257. The reversal of 212100011102201 is 102201110001212.

It is not a de Polignac number, because 212100011102201 - 218 = 212100010840057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100011101201) 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, 47095295 + ... + 51402011.

It is an arithmetic number, because the mean of its divisors is an integer number (13500268914600).

Almost surely, 2212100011102201 is an apocalyptic number.

It is an amenable number.

212100011102201 is a deficient number, since it is larger than the sum of its proper divisors (3904291531399).

212100011102201 is a wasteful number, since it uses less digits than its factorization.

212100011102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309744.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212100011102201 its reverse (102201110001212), we get a palindrome (314301121103413).

It can be divided in two parts, 212100011 and 102201, that added together give a palindrome (212202212).

The spelling of 212100011102201 in words is "two hundred twelve trillion, one hundred billion, eleven million, one hundred two thousand, two hundred one".

Divisors: 1 71 257 2699 18247 191629 693643 4306717 49248653 305776907 1106826269 11623829183 78584665099 825291871993 2987324100031 212100011102201