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2112001117 is a prime number
BaseRepresentation
bin111110111100010…
…1001010001011101
312110012002202212121
41331320221101131
513311133013432
6545323302541
7103223466442
oct17570512135
95405082777
102112001117
11994195776
124ab37aa51
13278730505
141606d19c9
15c5638197
hex7de2945d

2112001117 has 2 divisors, whose sum is σ = 2112001118. Its totient is φ = 2112001116.

The previous prime is 2112001043. The next prime is 2112001121. The reversal of 2112001117 is 7111002112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2110575481 + 1425636 = 45941^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112001117 - 211 = 2111999069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112001117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112001217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056000558 + 1056000559.

It is an arithmetic number, because the mean of its divisors is an integer number (1056000559).

Almost surely, 22112001117 is an apocalyptic number.

It is an amenable number.

2112001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112001117 is an equidigital number, since it uses as much as digits as its factorization.

2112001117 is an evil number, because the sum of its binary digits is even.

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

The square root of 2112001117 is about 45956.5133250990. The cubic root of 2112001117 is about 1283.0139581862.

Adding to 2112001117 its reverse (7111002112), we get a palindrome (9223003229).

The spelling of 2112001117 in words is "two billion, one hundred twelve million, one thousand, one hundred seventeen".