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102112101211 = 7312711014141
BaseRepresentation
bin101111100011001011…
…0110000001101011011
3100202120100221012102111
41133012112300031123
53133111144214321
6114524252413151
710243301352661
oct1370626601533
9322510835374
10102112101211
113a33a689a9a
12179591771b7
139824276683
144d2977ac31
1529c98925e1
hex17c65b035b

102112101211 has 8 divisors (see below), whose sum is σ = 104325953024. Its totient is φ = 99920278080.

The previous prime is 102112101209. The next prime is 102112101229. The reversal of 102112101211 is 112101211201.

It is a happy number.

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 102112101211 - 21 = 102112101209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102112101191 and 102112101200.

It is not an unprimeable number, because it can be changed into a prime (102112101241) 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, 5497800 + ... + 5516341.

It is an arithmetic number, because the mean of its divisors is an integer number (13040744128).

Almost surely, 2102112101211 is an apocalyptic number.

102112101211 is a deficient number, since it is larger than the sum of its proper divisors (2213851813).

102112101211 is a wasteful number, since it uses less digits than its factorization.

102112101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11014341.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102112101211 its reverse (112101211201), we get a palindrome (214213312412).

The spelling of 102112101211 in words is "one hundred two billion, one hundred twelve million, one hundred one thousand, two hundred eleven".

Divisors: 1 73 127 9271 11014141 804032293 1398795907 102112101211