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212101101103 = 17591330915889
BaseRepresentation
bin1100010110001000110…
…1011111011000101111
3202021110200122022111011
43011202031133120233
511433340340213403
6241234330410051
721216030420103
oct3054215373057
9667420568434
10212101101103
1181a515a6601
1235134290927
13170023c1728
14a3a12d9903
1557b5a15a6d
hex316235f62f

212101101103 has 16 divisors (see below), whose sum is σ = 228415572000. Its totient is φ = 196214003712.

The previous prime is 212101101101. The next prime is 212101101119. The reversal of 212101101103 is 301101101212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212101101103 - 21 = 212101101101 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 (212101101101) 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, 13340983 + ... + 13356871.

It is an arithmetic number, because the mean of its divisors is an integer number (14275973250).

Almost surely, 2212101101103 is an apocalyptic number.

212101101103 is a deficient number, since it is larger than the sum of its proper divisors (16314470897).

212101101103 is a wasteful number, since it uses less digits than its factorization.

212101101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29274.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 212101101103 its reverse (301101101212), we get a palindrome (513202202315).

The spelling of 212101101103 in words is "two hundred twelve billion, one hundred one million, one hundred one thousand, one hundred three".

Divisors: 1 17 59 1003 13309 15889 226253 270113 785231 937451 13348927 15936667 211466701 3594933917 12476535359 212101101103