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211020210201 = 32771721147551
BaseRepresentation
bin1100010010000111001…
…0001110000000011001
3202011200100202100220210
43010201302032000121
511424132133211301
6240535155241333
721150164122503
oct3044162160031
9664610670823
10211020210201
1181547453239
1234a922a9249
1316b8c4a1808
14a2db932d73
155750ba6ad6
hex3121c8e019

211020210201 has 16 divisors (see below), whose sum is σ = 282542012928. Its totient is φ = 140089872000.

The previous prime is 211020210161. The next prime is 211020210211. The reversal of 211020210201 is 102012020112.

It is not a de Polignac number, because 211020210201 - 217 = 211020079129 is a prime.

It is a super-2 number, since 2×2110202102012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211020210211) 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, 1356376 + ... + 1503926.

It is an arithmetic number, because the mean of its divisors is an integer number (17658875808).

Almost surely, 2211020210201 is an apocalyptic number.

It is an amenable number.

211020210201 is a deficient number, since it is larger than the sum of its proper divisors (71521802727).

211020210201 is a wasteful number, since it uses less digits than its factorization.

211020210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149552.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211020210201 its reverse (102012020112), we get a palindrome (313032230313).

The spelling of 211020210201 in words is "two hundred eleven billion, twenty million, two hundred ten thousand, two hundred one".

Divisors: 1 3 277 831 1721 5163 147551 442653 476717 1430151 40871627 122614881 253935271 761805813 70340070067 211020210201