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212201230111 = 1330851529097
BaseRepresentation
bin1100010110100000101…
…1011100111100011111
3202021201200001101122221
43011220023130330133
511434042003330421
6241252304450211
721221354460313
oct3055013347437
9667650041587
10212201230111
1181aa3075a52
1235161919967
131701a07bb70
14a3b0721b43
1557be6e3841
hex31682dcf1f

212201230111 has 8 divisors (see below), whose sum is σ = 228532240944. Its totient is φ = 195871339200.

The previous prime is 212201230099. The next prime is 212201230211. The reversal of 212201230111 is 111032102212.

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 212201230111 - 25 = 212201230079 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 (212201230211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136515 + ... + 665611.

It is an arithmetic number, because the mean of its divisors is an integer number (28566530118).

Almost surely, 2212201230111 is an apocalyptic number.

212201230111 is a deficient number, since it is larger than the sum of its proper divisors (16331010833).

212201230111 is a wasteful number, since it uses less digits than its factorization.

212201230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559961.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212201230111 its reverse (111032102212), we get a palindrome (323233332323).

The spelling of 212201230111 in words is "two hundred twelve billion, two hundred one million, two hundred thirty thousand, one hundred eleven".

Divisors: 1 13 30851 401063 529097 6878261 16323171547 212201230111