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2120330101 is a prime number
BaseRepresentation
bin111111001100001…
…1010101101110101
312110202202221002111
41332120122231311
513320301030401
6550222011021
7103354336261
oct17630325565
95422687074
102120330101
1199896442a
124b2116a71
1327a3885c6
1416185d0a1
15c6230e51
hex7e61ab75

2120330101 has 2 divisors, whose sum is σ = 2120330102. Its totient is φ = 2120330100.

The previous prime is 2120330053. The next prime is 2120330131. The reversal of 2120330101 is 1010330212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2060252100 + 60078001 = 45390^2 + 7751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120330101 - 27 = 2120329973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120330131) 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, 1060165050 + 1060165051.

It is an arithmetic number, because the mean of its divisors is an integer number (1060165051).

Almost surely, 22120330101 is an apocalyptic number.

It is an amenable number.

2120330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120330101 is an equidigital number, since it uses as much as digits as its factorization.

2120330101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2120330101 is about 46047.0422611485. The cubic root of 2120330101 is about 1284.6983300689.

Adding to 2120330101 its reverse (1010330212), we get a palindrome (3130660313).

The spelling of 2120330101 in words is "two billion, one hundred twenty million, three hundred thirty thousand, one hundred one".