# int128 {#int128}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`int128(X)`

## Arguments {#arguments}

**X** is a string scalar/vector.

## Details {#details}

Convert STRING into INT128 data type.

## Examples {#examples}

```
a=int128("e1671797c52e15f763380b45e841ec32")
// output: e1671797c52e15f763380b45e841ec32

typestr(a);
// output: INT128
```

