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2221212000011 is a prime number
BaseRepresentation
bin100000010100101010100…
…011010101111100001011
321212100100002020210011112
4200110222203111330023
5242343020233000021
64420224413520535
7316322463323504
oct40245243257413
97770302223145
102221212000011
117870132a3604
122ba59b4a314b
131315c8394634
1479715bcbbab
153cba37c8d5b
hex2052a8d5f0b

2221212000011 has 2 divisors, whose sum is σ = 2221212000012. Its totient is φ = 2221212000010.

The previous prime is 2221211999891. The next prime is 2221212000013. The reversal of 2221212000011 is 1100002121222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221212000011 - 230 = 2220138258187 is a prime.

Together with 2221212000013, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221212000011.

It is not a weakly prime, because it can be changed into another prime (2221212000013) 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 as a sum of consecutive naturals, namely, 1110606000005 + 1110606000006.

It is an arithmetic number, because the mean of its divisors is an integer number (1110606000006).

Almost surely, 22221212000011 is an apocalyptic number.

2221212000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221212000011 is an equidigital number, since it uses as much as digits as its factorization.

2221212000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221212000011 its reverse (1100002121222), we get a palindrome (3321214121233).

The spelling of 2221212000011 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, eleven", and thus it is an aban number.