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2010221112217 is a prime number
BaseRepresentation
bin11101010000001010100…
…000111110101110011001
321010011201202200011000211
4131100022200332232121
5230413413101042332
64135252142531121
7265143103345033
oct35201240765631
97104652604024
102010221112217
1170559145876a
12285716b96aa1
13117741cbb576
146d41c12cc53
15374554b5447
hex1d40a83eb99

2010221112217 has 2 divisors, whose sum is σ = 2010221112218. Its totient is φ = 2010221112216.

The previous prime is 2010221112191. The next prime is 2010221112271. The reversal of 2010221112217 is 7122111220102.

Together with next prime (2010221112271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037293362576 + 972927749641 = 1018476^2 + 986371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010221112217 - 27 = 2010221112089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010221112517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005110556108 + 1005110556109.

It is an arithmetic number, because the mean of its divisors is an integer number (1005110556109).

Almost surely, 22010221112217 is an apocalyptic number.

It is an amenable number.

2010221112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010221112217 is an equidigital number, since it uses as much as digits as its factorization.

2010221112217 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 2010221112217 its reverse (7122111220102), we get a palindrome (9132332332319).

The spelling of 2010221112217 in words is "two trillion, ten billion, two hundred twenty-one million, one hundred twelve thousand, two hundred seventeen".