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1112441111 is a prime number
BaseRepresentation
bin100001001001110…
…1000000100010111
32212112020212022122
41002103220010113
54234241103421
6302215250155
736365410355
oct10223500427
92775225278
101112441111
11520a42521
1227067995b
131496186a2
14a7a5a7d5
15679e22ab
hex424e8117

1112441111 has 2 divisors, whose sum is σ = 1112441112. Its totient is φ = 1112441110.

The previous prime is 1112441093. The next prime is 1112441119. The reversal of 1112441111 is 1111442111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112441111 - 214 = 1112424727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112441111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112441119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556220555 + 556220556.

It is an arithmetic number, because the mean of its divisors is an integer number (556220556).

Almost surely, 21112441111 is an apocalyptic number.

1112441111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112441111 is an equidigital number, since it uses as much as digits as its factorization.

1112441111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 17.

The square root of 1112441111 is about 33353.2773652006. The cubic root of 1112441111 is about 1036.1572657581.

Adding to 1112441111 its reverse (1111442111), we get a palindrome (2223883222).

The spelling of 1112441111 in words is "one billion, one hundred twelve million, four hundred forty-one thousand, one hundred eleven".