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10212221211 = 329117381853
BaseRepresentation
bin10011000001011001…
…00010000100011011
3222100201002120220020
421200230202010123
5131403312034321
64405203201523
7511032306453
oct114054420433
928321076806
1010212221211
114370594a45
121b900762a3
13c6996335a
146cc406d63
153eb82d4c6
hex260b2211b

10212221211 has 8 divisors (see below), whose sum is σ = 14085822480. Its totient is φ = 6573383712.

The previous prime is 10212221209. The next prime is 10212221233. The reversal of 10212221211 is 11212221201.

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

It is not a de Polignac number, because 10212221211 - 21 = 10212221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212221291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58690840 + ... + 58691013.

It is an arithmetic number, because the mean of its divisors is an integer number (1760727810).

Almost surely, 210212221211 is an apocalyptic number.

10212221211 is a deficient number, since it is larger than the sum of its proper divisors (3873601269).

10212221211 is a wasteful number, since it uses less digits than its factorization.

10212221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117381885.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212221211 its reverse (11212221201), we get a palindrome (21424442412).

The spelling of 10212221211 in words is "ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 3 29 87 117381853 352145559 3404073737 10212221211