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2121112183 is a prime number
BaseRepresentation
bin111111001101101…
…1001101001110111
312110211020122220111
41332123121221313
513321001042213
6550250443451
7103364104351
oct17633315167
95424218814
102121112183
11999348a83
124b2433587
1327a5a0588
141619c40d1
15c6337a3d
hex7e6d9a77

2121112183 has 2 divisors, whose sum is σ = 2121112184. Its totient is φ = 2121112182.

The previous prime is 2121112181. The next prime is 2121112207. The reversal of 2121112183 is 3812111212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121112183 - 21 = 2121112181 is a prime.

Together with 2121112181, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121112181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060556091 + 1060556092.

It is an arithmetic number, because the mean of its divisors is an integer number (1060556092).

Almost surely, 22121112183 is an apocalyptic number.

2121112183 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121112183 is an equidigital number, since it uses as much as digits as its factorization.

2121112183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 22.

The square root of 2121112183 is about 46055.5336848896. The cubic root of 2121112183 is about 1284.8562639573.

Adding to 2121112183 its reverse (3812111212), we get a palindrome (5933223395).

The spelling of 2121112183 in words is "two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred eighty-three".