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102222111011 = 232699439289
BaseRepresentation
bin101111100110011101…
…0011010000100100011
3100202212000221021111112
41133030322122010203
53133322330023021
6114543222333535
710246105415156
oct1371472320443
9322760837445
10102222111011
113a396797a89
1217989b8a2ab
139840cb3327
144d3a215c9d
1529d4372d5b
hex17cce9a123

102222111011 has 4 divisors (see below), whose sum is σ = 102222783000. Its totient is φ = 102221439024.

The previous prime is 102222110989. The next prime is 102222111023. The reversal of 102222111011 is 110111222201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102222111011 - 210 = 102222109987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222113011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13055 + ... + 452343.

It is an arithmetic number, because the mean of its divisors is an integer number (25555695750).

Almost surely, 2102222111011 is an apocalyptic number.

102222111011 is a deficient number, since it is larger than the sum of its proper divisors (671989).

102222111011 is an equidigital number, since it uses as much as digits as its factorization.

102222111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671988.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102222111011 its reverse (110111222201), we get a palindrome (212333333212).

The spelling of 102222111011 in words is "one hundred two billion, two hundred twenty-two million, one hundred eleven thousand, eleven".

Divisors: 1 232699 439289 102222111011