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21202203301211 = 174329004382081
BaseRepresentation
bin1001101001000100001011…
…10010111101010101011011
32210001220121000001220200202
410310202011302331111123
510234334103021114321
6113032054023052415
74315544235333422
oct464420562752533
983056530056622
1021202203301211
116834893028a19
122465166ba110b
13baa4891b786a
145342992422b9
1526b7b81e170b
hex134885cbd55b

21202203301211 has 8 divisors (see below), whose sum is σ = 22971470608944. Its totient is φ = 19490944757760.

The previous prime is 21202203301189. The next prime is 21202203301219. The reversal of 21202203301211 is 11210330220212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21202203301211 - 214 = 21202203284827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202203301219) 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 7 ways as a sum of consecutive naturals, for example, 14502190310 + ... + 14502191771.

It is an arithmetic number, because the mean of its divisors is an integer number (2871433826118).

Almost surely, 221202203301211 is an apocalyptic number.

21202203301211 is a deficient number, since it is larger than the sum of its proper divisors (1769267307733).

21202203301211 is a wasteful number, since it uses less digits than its factorization.

21202203301211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29004382141.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21202203301211 its reverse (11210330220212), we get a palindrome (32412533521423).

The spelling of 21202203301211 in words is "twenty-one trillion, two hundred two billion, two hundred three million, three hundred one thousand, two hundred eleven".

Divisors: 1 17 43 731 29004382081 493074495377 1247188429483 21202203301211