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1122106213 is a prime number
BaseRepresentation
bin100001011100001…
…1111101101100101
32220012102220100101
41002320133231211
54244224344323
6303202344101
736543513454
oct10270375545
92805386311
101122106213
11526444008
1227395b031
1314b620997
14a9054b9b
15687a0dad
hex42e1fb65

1122106213 has 2 divisors, whose sum is σ = 1122106214. Its totient is φ = 1122106212.

The previous prime is 1122106211. The next prime is 1122106241. The reversal of 1122106213 is 3126012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101111489 + 20994724 = 33183^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122106213 - 21 = 1122106211 is a prime.

Together with 1122106211, 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 (1122106211) 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, 561053106 + 561053107.

It is an arithmetic number, because the mean of its divisors is an integer number (561053107).

Almost surely, 21122106213 is an apocalyptic number.

It is an amenable number.

1122106213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122106213 is an equidigital number, since it uses as much as digits as its factorization.

1122106213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1122106213 is about 33497.8538566279. The cubic root of 1122106213 is about 1039.1493947868.

Adding to 1122106213 its reverse (3126012211), we get a palindrome (4248118424).

The spelling of 1122106213 in words is "one billion, one hundred twenty-two million, one hundred six thousand, two hundred thirteen".