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1220100110017 is a prime number
BaseRepresentation
bin10001110000010011101…
…000100011011011000001
311022122021212121111100121
4101300103220203123001
5124442231112010032
62332301203420241
7154102134550615
oct21602350433301
94278255544317
101220100110017
11430494782268
12178569084681
138b093944229
14430a5c2d345
1521b0e62da97
hex11c13a236c1

1220100110017 has 2 divisors, whose sum is σ = 1220100110018. Its totient is φ = 1220100110016.

The previous prime is 1220100109999. The next prime is 1220100110039. The reversal of 1220100110017 is 7100110010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187579037121 + 32521072896 = 1089761^2 + 180336^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220100110017 - 215 = 1220100077249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220100110417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050055008 + 610050055009.

It is an arithmetic number, because the mean of its divisors is an integer number (610050055009).

Almost surely, 21220100110017 is an apocalyptic number.

It is an amenable number.

1220100110017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220100110017 is an equidigital number, since it uses as much as digits as its factorization.

1220100110017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 1220100110017 its reverse (7100110010221), we get a palindrome (8320210120238).

The spelling of 1220100110017 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred ten thousand, seventeen".