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102102111102211 = 11191014836899479
BaseRepresentation
bin10111001101110010000000…
…000100000010010100000011
3111101111212101200012211022021
4113031302000010002110003
5101340320110420232321
61001053021243022311
730335430331532623
oct2715620004022403
9441455350184267
10102102111102211
112a595297a14430
12b5500a650a997
1344c825969404c
141b2daa8c5c883
15bc0d9bee3941
hex5cdc80102503

102102111102211 has 16 divisors (see below), whose sum is σ = 118407299270400. Its totient is φ = 87064190604000.

The previous prime is 102102111102209. The next prime is 102102111102227. The reversal of 102102111102211 is 112201111201201.

It is a cyclic number.

It is not a de Polignac number, because 102102111102211 - 21 = 102102111102209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102111102241) 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, 2418428631 + ... + 2418470848.

It is an arithmetic number, because the mean of its divisors is an integer number (7400456204400).

Almost surely, 2102102111102211 is an apocalyptic number.

102102111102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102102111102211 is a deficient number, since it is larger than the sum of its proper divisors (16305188168189).

102102111102211 is a wasteful number, since it uses less digits than its factorization.

102102111102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836899610.

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

Adding to 102102111102211 its reverse (112201111201201), we get a palindrome (214303222303412).

The spelling of 102102111102211 in words is "one hundred two trillion, one hundred two billion, one hundred eleven million, one hundred two thousand, two hundred eleven".

Divisors: 1 11 19 101 209 1111 1919 21109 4836899479 53205894269 91901090101 488526847379 1010911991111 5373795321169 9282010100201 102102111102211