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2011220221007 is a prime number
BaseRepresentation
bin11101010001000110000…
…100010001110001001111
321010021022101200010122002
4131101012010101301033
5230422434334033012
64135535233142515
7265206624544454
oct35210604216117
97107271603562
102011220221007
11705a54422a08
122859556baa3b
13117870ca5bba
146d4b4ac782b
15374b306c7c2
hex1d446111c4f

2011220221007 has 2 divisors, whose sum is σ = 2011220221008. Its totient is φ = 2011220221006.

The previous prime is 2011220221001. The next prime is 2011220221009. The reversal of 2011220221007 is 7001220221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011220221007 - 26 = 2011220220943 is a prime.

Together with 2011220221009, 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 2011220221007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011220221001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610110503 + 1005610110504.

It is an arithmetic number, because the mean of its divisors is an integer number (1005610110504).

Almost surely, 22011220221007 is an apocalyptic number.

2011220221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011220221007 is an equidigital number, since it uses as much as digits as its factorization.

2011220221007 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 20.

Adding to 2011220221007 its reverse (7001220221102), we get a palindrome (9012440442109).

The spelling of 2011220221007 in words is "two trillion, eleven billion, two hundred twenty million, two hundred twenty-one thousand, seven".