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1121222341 is a prime number
BaseRepresentation
bin100001011010100…
…0111111011000101
32220010202222220101
41002311013323011
54244013103331
6303131404101
736533142541
oct10265077305
92803688811
101121222341
1152599aa38
122735b3631
1314b3a1595
14a8ca4a21
1568679061
hex42d47ec5

1121222341 has 2 divisors, whose sum is σ = 1121222342. Its totient is φ = 1121222340.

The previous prime is 1121222339. The next prime is 1121222363. The reversal of 1121222341 is 1432221211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982571716 + 138650625 = 31346^2 + 11775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121222341 - 21 = 1121222339 is a prime.

Together with 1121222339, 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 (1121220341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560611170 + 560611171.

It is an arithmetic number, because the mean of its divisors is an integer number (560611171).

Almost surely, 21121222341 is an apocalyptic number.

It is an amenable number.

1121222341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121222341 is an equidigital number, since it uses as much as digits as its factorization.

1121222341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 1121222341 is about 33484.6582930153. The cubic root of 1121222341 is about 1038.8764805396.

Adding to 1121222341 its reverse (1432221211), we get a palindrome (2553443552).

The spelling of 1121222341 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, three hundred forty-one".