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212101331230101 = 31913812694479353
BaseRepresentation
bin110000001110011110110000…
…100000010001110110010101
31000210222200121110022000000010
4300032132300200101312111
5210300032011243330401
62031034001215310433
762450546466510045
oct6016366040216625
91023880543260003
10212101331230101
1161644740011115
121b9567aa81b419
1391470ba20c001
143a53a8b393725
15197c398007ed6
hexc0e7b0811d95

212101331230101 has 16 divisors (see below), whose sum is σ = 297901637378240. Its totient is φ = 133861734207360.

The previous prime is 212101331230093. The next prime is 212101331230111. The reversal of 212101331230101 is 101032133101212.

It is not a de Polignac number, because 212101331230101 - 23 = 212101331230093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101331230111) 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, 1347160960 + ... + 1347318393.

It is an arithmetic number, because the mean of its divisors is an integer number (18618852336140).

Almost surely, 2212101331230101 is an apocalyptic number.

It is an amenable number.

212101331230101 is a deficient number, since it is larger than the sum of its proper divisors (85800306148139).

212101331230101 is a wasteful number, since it uses less digits than its factorization.

212101331230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694480756.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 212101331230101 its reverse (101032133101212), we get a palindrome (313133464331313).

The spelling of 212101331230101 in words is "two hundred twelve trillion, one hundred one billion, three hundred thirty-one million, two hundred thirty thousand, one hundred one".

Divisors: 1 3 19 57 1381 4143 26239 78717 2694479353 8083438059 51195107707 153585323121 3721075986493 11163227959479 70700443743367 212101331230101