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102212222011 = 967105700333
BaseRepresentation
bin101111100110001010…
…0101011110000111011
3100202211100022212100021
41133030110223300323
53133312312101021
6114542230351311
710245625360234
oct1371424536073
9322740285307
10102212222011
113a391153259
12179867bb537
13983bc30153
144d38ba008b
1529d356cc41
hex17cc52bc3b

102212222011 has 4 divisors (see below), whose sum is σ = 102317923312. Its totient is φ = 102106520712.

The previous prime is 102212222009. The next prime is 102212222081. The reversal of 102212222011 is 110222212201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110222212201 = 290633792527.

It is a cyclic number.

It is not a de Polignac number, because 102212222011 - 21 = 102212222009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212222081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52849200 + ... + 52851133.

It is an arithmetic number, because the mean of its divisors is an integer number (25579480828).

Almost surely, 2102212222011 is an apocalyptic number.

102212222011 is a deficient number, since it is larger than the sum of its proper divisors (105701301).

102212222011 is an equidigital number, since it uses as much as digits as its factorization.

102212222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105701300.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102212222011 its reverse (110222212201), we get a palindrome (212434434212).

The spelling of 102212222011 in words is "one hundred two billion, two hundred twelve million, two hundred twenty-two thousand, eleven".

Divisors: 1 967 105700333 102212222011