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220011102012217 is a prime number
BaseRepresentation
bin110010000001100101010011…
…100101010000001100111001
31001211222212002222111012220211
4302001211103211100030321
5212314130214103342332
62055531412134151121
764225164131025115
oct6201452345201471
91054885088435824
10220011102012217
116411420345449a
1220813760ab24a1
13959bc5b6668c9
143c48846508745
151a67ed8915447
hexc81953950339

220011102012217 has 2 divisors, whose sum is σ = 220011102012218. Its totient is φ = 220011102012216.

The previous prime is 220011102012181. The next prime is 220011102012241. The reversal of 220011102012217 is 712210201110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219371319593721 + 639782418496 = 14811189^2 + 799864^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011102012217 - 27 = 220011102012089 is a prime.

It is not a weakly prime, because it can be changed into another prime (220011102012277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005551006108 + 110005551006109.

It is an arithmetic number, because the mean of its divisors is an integer number (110005551006109).

Almost surely, 2220011102012217 is an apocalyptic number.

It is an amenable number.

220011102012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011102012217 is an equidigital number, since it uses as much as digits as its factorization.

220011102012217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 220011102012217 its reverse (712210201110022), we get a palindrome (932221303122239).

The spelling of 220011102012217 in words is "two hundred twenty trillion, eleven billion, one hundred two million, twelve thousand, two hundred seventeen".