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2112100127 is a prime number
BaseRepresentation
bin111110111100100…
…0001011100011111
312110012021210200122
41331321001130133
513311144201002
6545325345155
7103224361214
oct17571013437
95405253618
102112100127
119942530a5
124ab4081bb
132787665b7
14160719b0b
15c56576a2
hex7de4171f

2112100127 has 2 divisors, whose sum is σ = 2112100128. Its totient is φ = 2112100126.

The previous prime is 2112100103. The next prime is 2112100139. The reversal of 2112100127 is 7210012112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2112100127 is a prime.

It is a super-2 number, since 2×21121001272 = 8921933892946832258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112100427) 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, 1056050063 + 1056050064.

It is an arithmetic number, because the mean of its divisors is an integer number (1056050064).

Almost surely, 22112100127 is an apocalyptic number.

2112100127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112100127 is an equidigital number, since it uses as much as digits as its factorization.

2112100127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 2112100127 is about 45957.5905264843. The cubic root of 2112100127 is about 1283.0340069803.

Adding to 2112100127 its reverse (7210012112), we get a palindrome (9322112239).

The spelling of 2112100127 in words is "two billion, one hundred twelve million, one hundred thousand, one hundred twenty-seven".