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22221221100011 is a prime number
BaseRepresentation
bin1010000110101110001111…
…11111010111100111101011
32220200022212002211121200022
411003113013333113213223
510403033030100200021
6115132142115031055
74452300400606133
oct503270777274753
986608762747608
1022221221100011
117097a700065aa
1225aa755b9b48b
13c525b551338b
1456b727337ac3
1528805935b1ab
hex1435c7fd79eb

22221221100011 has 2 divisors, whose sum is σ = 22221221100012. Its totient is φ = 22221221100010.

The previous prime is 22221221100007. The next prime is 22221221100017. The reversal of 22221221100011 is 11000112212222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221221100011 - 22 = 22221221100007 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221221100017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110610550005 + 11110610550006.

It is an arithmetic number, because the mean of its divisors is an integer number (11110610550006).

Almost surely, 222221221100011 is an apocalyptic number.

22221221100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221221100011 is an equidigital number, since it uses as much as digits as its factorization.

22221221100011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22221221100011 its reverse (11000112212222), we get a palindrome (33221333312233).

The spelling of 22221221100011 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred thousand, eleven".