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211322212101 = 327111323456789
BaseRepresentation
bin1100010011001111001…
…0010000111100000101
3202012110102000122122100
43010303302100330011
511430241441241401
6241025144222313
721160522110510
oct3046362207405
9665412018570
10211322212101
1181691974790
1234b5746a999
1316c09c20870
14a329aa7d77
15576c45db86
hex3133c90f05

211322212101 has 48 divisors (see below), whose sum is σ = 409837034880. Its totient is φ = 101333324160.

The previous prime is 211322212063. The next prime is 211322212147. The reversal of 211322212101 is 101212223112.

It is not a de Polignac number, because 211322212101 - 227 = 211187994373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211322262101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11719386 + ... + 11737403.

It is an arithmetic number, because the mean of its divisors is an integer number (8538271560).

Almost surely, 2211322212101 is an apocalyptic number.

211322212101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211322212101 is a deficient number, since it is larger than the sum of its proper divisors (198514822779).

211322212101 is a wasteful number, since it uses less digits than its factorization.

211322212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23456826 (or 23456823 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211322212101 its reverse (101212223112), we get a palindrome (312534435213).

The spelling of 211322212101 in words is "two hundred eleven billion, three hundred twenty-two million, two hundred twelve thousand, one hundred one".

Divisors: 1 3 7 9 11 13 21 33 39 63 77 91 99 117 143 231 273 429 693 819 1001 1287 3003 9009 23456789 70370367 164197523 211111101 258024679 304938257 492592569 774074037 914814771 1477777707 1806172753 2134567799 2322222111 2744444313 3354320827 5418518259 6403703397 10062962481 16255554777 19211110191 23480245789 30188887443 70440737367 211322212101